Question

How to write (X+3)(x+5) in a equivalent expression

Answer 1

Explanation:

(x+3)(x+5)=x²+5x+3x+15

x²+8x+15 is equivalent to: (x+3)(x+5)

Answer 2

x^2 +8x+15

Explanation:

(X+3)(x+5)

FOIL

first x^2

outer 5x

inner 3x

last 15

Add together

x^2 +5x+3x+15

x^2 +8x+15