Question

Simplify the expression

Answer 1

Step 1 :

(23 x 2 - 5) • x 3

Step 2 :

Trying to factor as a Difference of Squares :

Factoring: 8 x 2-5

Theory : A difference of two perfect squares, A2 - B2 can be factored into (A+B) • (A-B)

Proof : (A+B) • (A-B) =

A2 - AB + BA - B2 =

A2 - AB + AB - B2 =

A2 - B2

Answer:

(8 x 2 - 5) • x 3