SOLUTION: If f(x)=3x^2+13x−10,find all real x-values such that f(x)=0. Can you show how to do this? Finding values for a function is equal to 0.

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Question 994542: If f(x)=3x^2+13x−10,find all real x-values such that f(x)=0.

Can you show how to do this? Finding values for a function is equal to 0.

Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39618) About Me  (Show Source):
Answer by MathTherapy(10552) About Me  (Show Source):
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If f(x)=3x^2+13x−10,find all real x-values such that f(x)=0.

Can you show how to do this? Finding values for a function is equal to 0.
f%28x%29+=+3x%5E2+%2B+13x+-+10
3x%5E2+%2B+13x+-+10+=+0
(3x - 2)(x + 5) = 0 -------- Factoring trinomial
3x - 2 = 0 OR x + 5 = 0
3x = 2 OR x = 0 - 5
highlight_green%28system%28x+=+%282%2F3%29_or%2Cx+=+-+5%29%29