Question

Find the roots of this equation: (x+5)(x+9)=0

Answer 1

x=-5 and x=-9

Explanation:

First you use the first bracket to give you:

x+5=0

so x=-5

Then you use the second bracket to give you:

x+9=0

so x=-9

Answer 2

x=-5, x=-9

Explanation:

Use zero product property to set each term to 0: x+5=0, x+9=0.

x=-5, x=-9