Question

solve using the formula ( 8 + x ) (8- x )​

Answer 1

Answer:

(8+x)(8-x)=64-8x+8x-x^2

=64-x^2

x^2= 64

x=√64

x=8

Answer 2

Given:

( 8 + x ) (8- x )​

using formula a²-b²=(a + b)(a - b)

( 8 + x ) (8- x )​

=8×8-8×x+8×x-x×x

=64-x²

=(8)²-x²