Simplify 324−4x22x+18

Question 1 Report

Simplify $\frac{324 - 4 x^{2}}{2 x + 18}$

2(x - 9)

2(9 + x)

81 - x

^{2}

-2(x - 9)

Answer Details

234 - 4x $^{2}$ = 18 $^{2}$ - (2x) $^{2}$ = (18 - 2x)(18 + 2x)

2x + 18 = 2x + 18 = (2x + 18)

18 - 2x = 2(a - x) or -2(x - a)