Question

Expand and simplify
(5x + 2)(x + 2)

Answer 1

`5x^(2)+12x+4`

Explanation:

Use the FOIL method to expand.

5x*x+

2*x+

5x*2+

2*2

which is

5x^2+2x+10x+2

combining the two x s we get

5x^2+12x+4

Answer 2

5x²+12x+4

Explanation:

5x²+10x+2x+4

5x²+12x+4