SOLUTION: Find the x-intercepts. f(x)= 2x+x(x-7)

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Question 1108886: Find the x-intercepts.
f(x)= 2x+x(x-7)

Found 2 solutions by josgarithmetic, stanbon:
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!


0 and 5.

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Find the x-intercepts.
f(x)= 2x+x(x-7)
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Let y = 0 and solve for "x"::
2x + x(x-7) = 0
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2x + x^2 - 7x = 0
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x^2 - 5x = 0
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x(x-5) = 0
x = 0 or x = 5
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x-intercepts:: (0,0) and (5,0)
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Cheers,
Stan H.
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