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Factor the equation 3x^2+3x-36?

+2 votes

I can't seem to factor it, please help!

asked Jan 28, 2013 in ALGEBRA 1 by dkinz Apprentice

1 Answer

+3 votes

= 3x2 + 3x - 36

Take out common term 3.

= 3[ x2 + x - 12 ]

Now solve the factor method.

= 3[x2 + 4x - 3x + 12]

= 3[x(x + 4) - 3(x + 4) ]

Take out common factors.

= 3[(x + 4)(x - 3)]

= 3(x + 4)(x - 3).

answered Jan 28, 2013 by richardson Scholar

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