找到你今天要练的题。

Which expression is equivalent to \( \left(x+8\right)^2+14\left(x+8\right)+49 \)?

\( -16\left(5x-3\right)^2+4\left(5x-2\right)^2 \) 
The given expression can be rewritten as \( \frac{a}{4}x^2+\frac{b}{4}x+\frac{c}{4} \), where a, b, and c are constants. What is the value of \( a+b+c \)?

Which expression is equivalent to \( 158t^3-24t^2u \) ?

Which expression is equivalent to \( 2\left(x-\frac{3}{2}\right)\left(x+14\right) \) ?

Which expression is equivalent to\( \left(9x^2+9\right)-\left(2x^2\right) \) ?

\( -16\left(3x-4\right)^2+4\left(3x-2\right)^2 \) 
The given expression can be rewritten as\( \frac{a}{4}x^2+\frac{b}{4}x+\frac{c}{4} \) , where a, b,and c are constants. What is the value of a + b + c?

Which of these expressions is equivalent to 2(2x −2y)(2x + 2y) ?

The expression (9x -28)(15x ＋4) is equivalent to the expression ax²+ bx + c, where a, b,and c are constants. What is the value of b?

The expression (7x -24)(16x +9) is equivalent to the expression ax²+ bx + c, where a, b, and c are constants. What is the value of b

Which expression is equivalent to \( \left(x^3+8x^2-7x\right)+6\left(x^2+5\right) \) ?

Which expression is a factor of \( 3x^{2}−5x+6x−10? \) 

\( f\left(x\right)=x^2-22x+72 \) 
The function f is defined by the given equation. Which of the following equivalent forms of the equation displays the zeros of the function as constants or coefficients?