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How do you factor 3x^2+7x-6=0 and solve?
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Jun 9, 2015
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How do you factor 3x^2+7x-6=0 and solve?
Mathematics
middle-school
Mathew Rock
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Answer: x2=-3
Explanation:
Dcclassics
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Jun 10, 2015
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Dcclassics
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Do the factoring method
(3x-2)(x+3)
3x=2 X=-3
x=2/3
if we check
3x2+7x=6
3(2/3)2+7(2/3)=6
4/3+14/3=6
18/3=6
The x=2/3 is correct now lets see the x=-3
3x2+7x=6
3(-3)2+7(-3)=6
3(9)-21=6
27-21=6
6=6
so both x can be used in factoring
Pras
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Jun 12, 2015
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Pras
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