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solve using the zero product x(x 7)=0

Algebra
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Solving the zero product x(x+7)=0

Mar 18th, 2015

Zero Product : The "Zero Product Property" says that If (for instance) a * b = 0, then a= 0 or  b=0. 

So from this definition, we solve the problem

x(x + 7) = 0

x = 0    or     x + 7 = 0

                    x + 7 - 7 = 0 - 7

                            x = - 7

Hence by zero product,

 x = 0   or   x = - 7

Mar 18th, 2015

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Mar 18th, 2015
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Mar 18th, 2015
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