SOLUTION: use the difference of two squares theorem to find all of the solutions to the following equations: x^2=81
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Question 248402: use the difference of two squares theorem to find all of the solutions to the following equations: x^2=81
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
x^2=81
x^2-81=0
(x-9)(x+9)=0
x=9, x=-9
.
Ed
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