Question

the root equation (x+2)²-(x-2)²=-24 is​

Answer 1

Answer:

Use the identity : a^2 - b^2 = (a +b)(a-b)

{(x+2 + x -2)}{(x+2 -(x-2)}

=(2x){x+2 -x + 2)

=(2x)(4) = 8x

8x = -24

x = -24/8 = -3 Ans