Daily PWN 130 – PWN Test Prep

If $(a+b)(a^2-b^2)=18$ and $a^2+2ab+b^2=36$ , what is the value of $a-b$ ?

Loading...

Comments (1)

Please dont shoot me

(a+b) (a+b)(a-b)=18
-(a+b)(a+b) =36
_______________________

a-b = -18 that would only work if they were added not multiplied