Answered



.   Multiply (x + 3)(x – 3).


Ax2 + 6x – 9
Bx2 + 6x + 9
Cx2 – 9
Dx2 – 6x + 9

help some says its C and some says its not

Verified Answer :

baabaagreysheep

x × x = x^2
x × -3 = -3x
3 × x = 3x
3 × -3 = -9

x^2 + 3x - 3x - 9
So I would agree with C because the -3x and the 3x cancel each other out. I hope this helps!

Related Questions