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Factor 10x^2+15x-70

Factor 10x^2+15x-70
asked 165k views
5 votes
Factor 10x^2+15x-70

asked
User Iamcxl
by
8.0k points

1 Answer

1 vote
Take out the GCF
5(2x^2+3x-14)

Use slip and slide for the inner trinomial
x^2+3x-28
(x+7)(x-4)
(x+7/2)(x-4/2)
(2x+7)(x-2)

Final answer: 5(2x+7)(x-2)
answered
User Jelphy
by
9.1k points
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