Question

What is the solution set of the equation (x+9)(x+4)=0

Answer 1

x=9, -4

Explanation:

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Answer 2

x= -9, x= -4

Explanation:

To find the set of solutions you need to find a value of x that will make the equation zero. To do this we need to make one of the parantheses zero because anything multiplied by 0 is 0.

x+9=0

subtract -9

x= -9

or

x+4=0

subtract -4

x= -4