SOLUTION: Solve the equation for all values of x. 9^(x^2+x)=3^4
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Question 404460
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Solve the equation for all values of x. 9^(x^2+x)=3^4
Found 2 solutions by
robertb, scott8148
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Answer by
robertb(5830)
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<==>
<==>
==>
==> (x+2)(x-1) = 0 ==> x = -2, 1.
Both values satisfy the original equation.
Answer by
scott8148(6628)
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3^4 = (3^2)^2 = 9^2
x^2 + x = 2
x^2 + x - 2 = 0
factoring ___ (x + 2)(x - 1) = 0
x = -2 ___ AND ___ x = 1