Question

Expand and simplify (2x+5)^2

Answer 1

4x^2 + 20x + 25

Explanation:

Expand and simplify:

(2x+5)^2

We can FOIL to expand (2x+5)(2x+5)

First terms (2x*2x) = 4x^2

Outer terms ( 2x*5) = 10x

Inner terms ( 5*2x) = 10x

Last terms ( 5*5) = 25

Add together.

4x^2 + 10x + 10x+25

Combine like terms.

4x^2 + 20x + 25