Question

Expand and Simplify (x+3)(x+5)

Answer 1

$(x+3)(x+5) =x^2+5x+3x+15=x^2+8x+15$

Answer 2

Answer:

$x^2+8x+15$

Explanation:

Use the FOIL method of multiplying binomials.

First term in each binomial: $x*x=x^2$

Outside terms: $x*5=5x$

Inside terms: $3*x=3x$

Last term in each binomial: $3*5=15$

Add them all together. $x^2+5x+3x+15$

Simplify. $x^2+8x+15$