It is known that - 7 ≤ x ＜ 1, try to simplify: radical X & # 178; + 14x + 49 - radical (1-x) &# 178 / 1-x

RELATED INFORMATIONS

• 1. Given x 2-3x-5 = 0, find the value of X 3-14x + 5
• 2. 1. Simplify √ (X & # 178; - 10x + 25) - (√ (4-x)) &# 178; 2. Known function y = - X & # 178; + (3x-1) x-4 (X & # 178; + 1) The same demand, the same salary
• 3. Given a * a + b * b-6a-8b + 25 = 0, find the value of B / A-A / b
• 4. If a, B, C are three sides of a right triangle, C is hypotenuse and a & sup2; + B & sup2; - 6a-8b + 25 = 0, try to find the value of C
• 5. Given that a is a rational number, is there a minimum value of the algebraic formula | A-1 | + | A-2 |? If yes, try to find the minimum value; if not, please explain the reason
• 6. A is any rational number. The minimum value of the algebraic formula | A-1 | + | a + 1 | + | a + 2 | is () A. - 1 B.1 C.2 D.3
• 7. Let's change the subject (2n-m) is regarded as a letter, and the algebraic formula (2n-m) ^ 2-1 - (2n-m) ^ 3 + 2 (2n-m) is arranged according to the descending power of the letter (2n-m) 2. We know the polynomial (a + b) x ^ 4 + (b-2) x ^ 3-2 (A-1) x ^ 2 + ax-3 about X, excluding x ^ 3 term and x ^ 2 term. When we calculate x = - 1, the values of these polynomials are It is known that the polynomial (m-2) x ^ 8-N ^ n + 1 + 3x + n about X is a quartic trinomial about X, and the value of M and N can be obtained 4. The binomial - 2 / 3x ^ m y ^ n + 1 is a quintic binomial about X and y, and M is a prime number and N is a non negative number. Find the value of m ^ n
• 8. If the sum of the two numbers is 18 and one of them is m, then the product of the two numbers (expressed in an algebraic expression containing the letter M)
• 9. The algebraic formula x ^ 2 + 4Y ^ 2-4x + 12Y + 27 has the minimum value when x and y are values
• 10. Given m = 1 + √ 2, n = 1-2, find the value of the algebraic formula √ M & # 178; + n & # 178; - 3MN
• 11. What is the minimum value of x square + 14x + 50? What is the x value at this time
• 12. 14x & # 178; - 26x + 12 = cross multiplication factorization factor
• 13. How to use cross multiplication to solve 3x ^ 2-14x-24 = 0?
• 14. Determine whether the circle x ^ 2 + y ^ 2-6x + 4Y + 12 = 0 is tangent to the circle x ^ 2 + y ^ 2-14x-12y + 14 = 0?
• 15. If the value of 2Y's Square plus 3Y plus 7 is 8, what is the value of 4Y's Square plus 6y minus 9
• 16. Given that X and Y belong to R, and 3x ^ 2 + 2Y ^ 2 = 6x, find the maximum and minimum of X + y (require detailed answer)
• 17. Matching method, how to match the X & # 178; + 3x + 5 = y matching method into vertex form
• 18. The parabola y = ax & # 178; + C passes through two points a (2,1), B (- 1, - 5), finds the expression of the parabola, and points out the opening direction and vertex coordinates of the parabola
• 19. Given that the opening direction and size of a parabola are the same as the parabola y = 3x & # 178;, and the vertex is the same as the parabola y = x & # 178; + 2, the analytic formula of the parabola is obtained
• 20. If the parabola y = - 3x2-6x + 5 is known, then its vertex coordinates are______ ．