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Mathematics
Sunshine
1 January, 11:17
How do you solve for x in x^2+5x=36
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Genevieve Werner
1 January, 13:09
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First we want to set the equation equal to zero by subtracting 36 from each side ...
x^2 + 5x - 36 = 0
Now we factor
(x + 9) (x - 4) = 0
Now set each expression equal to zero and solve ...
x + 9 = 0 x - 4 = 0
x = - 9 x = 4
Your solution set is
(-9, 4)
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