Answered

Let A:4x2 –81, and let B:(2x–9)(2x+9). Ifx=2,which statement is true about A and B?
a. A>B
b. A c. A=B
d. A≠B

Sagot :

Peachocoviz
A=B
4x²-81
4(2)²-81
4(4)-81
16-81
= -65
(2x-9)(2x+9)
[2(2)-9][2(2)+9]
(4-9)(4+9)
(-5)(13)
= -65