Given x = 2, the value of the polynomial ax & # 179; + BX + 4 is 8. When x = - 2, what is the value of the polynomial?
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- 1. Given the cubic power of the polynomial ax + BX + 4, when x = 2, the value is 8, and when x = - 2, what is the value?
- 2. If the value of the polynomial 2x & # 178; - ax + Y & # 178; - 2 (BX & # 178; + 3x-y & # 178; + 5) about X is independent of X, then the value of 5A + B-3 is obtained
- 3. ①(a+b)²-12(a+b)+36;②4x²+4x(m+n)+(m+n)²
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- 5. How can B & # 178; - 4B + 5 be reduced to (b-2) square + 1 The method and thinking of solving the problem
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- 11. We know that the two squares of the equation 2x + 3x-4 = 0 are x1, X2, and we do not understand the equation Find the value of the third power of X1 + the third power of x2
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- 14. In the binary linear equation 5x + 6y = 30, if x and y are opposite to each other, what is x
- 15. The following equation is transformed into the form where y is represented by the algebraic expression containing x, and then transformed into the form where x is represented by the algebraic expression containing y (1) 2X+5Y=10 (2) X-2Y-6=0
- 16. What do you mean by writing the following equation in the algebraic form of X for y? Express the form of Y with the algebraic expression containing x 1、3x+4y-1=0 2、5x-2y+12=0 Express the form of X with the algebraic expression containing y 1、5x-3y=2 2、3x+4y=12
- 17. The following equation is transformed into the form of Y expressed by an algebraic expression containing X: 2x + y = 7
- 18. If we know that x = 3Y + 2Y + 1, then y is represented by an algebraic expression containing X=
- 19. Given that the value of the algebraic formula 2Y square-3y + 4 is 10, then the algebraic formula y square-3 / 2 y + 2 is 10
- 20. Let 1 be less than and equal to x, less than and equal to 2, 1 be less than or equal to y, and less than or equal to 2, then the value range of 3x-2y is?