If the product of a linear binomial and (x ^ 2-2x-1) does not contain a linear term, find the linear binomial, and let the linear binomial be x + a

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• 1. It is known that the product of a linear binomial and x ^ 2-3x + 1 does not contain a quadratic term. Please write a linear binomial satisfying the condition
• 2. What is an item? What is the number of items? What is a similar item?
• 3. Can 1.8A and 1.2A be multiplied? Or, can similar terms be multiplied
• 4. Several formulas for multiplication of polynomials by polynomials (a+b)(c+d)= (a+b)(c-d)= (a-b)(c+d)= (a-b)(c-d)= How to write these formulas?
• 5. May I ask the general expression and number of terms of bivariate polynomials of higher degree The bivariate polynomial is Z = A0 + A1 * x + A2 * y, and there are three terms; The bivariate quadratic polynomial is Z = A0 + A1 * x + A2 * y + a3 * x * x + A4 * x * y + A5 * y * y, with 6 terms; So if it is a binary m-degree polynomial, how to express it? What is the total number of terms?
• 6. The complex z = 3 + AI and | Z-2 are known|
• 7. Given the complex z = 2m-1 + (M + 1) I (1) if the point corresponding to the complex Z is in the first quadrant, find the value range of the real number m; (2) if the complex | Z | ≤ 3, find the value range of the real number M
• 8. Given the complex number Z = (m-3m-4) + (M-4) I, find the value range of real number M
• 9. Complex modulus```````` If the module of complex number (radical 2 - 2ai) / (a + 2I) is radical 2, then the value of real number a is_____
• 10. Modules of complex numbers What is the module of 1 + radical 3I What is the main value of the radiation angle
• 11. A polynomial composed of two monomials is called a binomial. How many terms will be the result of multiplication of two binomials? Write several such products and write the result
• 12. The sum of not even numbers within 10 is______ The prime number that is not odd is______ ．
• 13. The number within 20 is both odd and composite number has () no decimal! The number within 20 is both even and prime number has? In natural numbers 1-20, odd numbers have () even numbers have () prime numbers have () combined numbers have ()
• 14. According to the number of divisors, natural numbers can be divided into: (1) prime numbers and composite numbers; (2) odd numbers and even numbers; (3) prime numbers, composite numbers and zero ④ Prime, composite and 1
• 15. According to the number of factors, natural numbers can be divided into () a odd number and even number, B prime number and composite number, C prime number, composite number, 0,1,
• 16. Natural numbers consist of. A. odd and even numbers B. Prime number and composite number
• 17. The product of the smallest natural number, the smallest prime number and the smallest composite number is ()
• 18. In the natural number, the product of the smallest prime number and the smallest composite number is (); and the number of even prime number is ()
• 19. The product of the sum of the smallest prime number and the smallest composite number multiplied by the smallest natural number is______ ．
• 20. What is the smallest number that is both prime and odd______ ．