Question

Find an expression which represents the sum of (6x-4)(6x−4) and (-2x+5)(−2x+5) in simplest terms

Answer 1

40x^2-68x+41

Explanation:

Multiply both expressions

(-2x+5)^2= 4x^2-20x+25

(6x-4)^2=36x^2-48x+16

Then add

Use multiplication table if you have difficulty with multiplying

Ex

-2x 5

-2x 4x^2 -10x

5 -10x 25

Then add them all to get the full expression