Factorize the trinomials

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Jun 11th, 2015

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x^2+7x+12

x^2+3x+4x+12

x(x+3)+4(x+3)

(x+3)(x+4)

x^2-4x-21

x^2-7x+3x-21

x(x-7)+3(x-7)

(x+3)(x-7)

m^2+m-30

m^2+6m-5m-30

m(m+6)-5(m+6)

(m+6)(m-5)

y^2-10y+24

y^2-6y-4y+24

y(y-6)-4(y-6)

(y-6)(y-4)

a^2-a-72

a^2-9a+8a-72

a(a-9)+8(a-9)

(a-9)(a+8)

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Jun 11th, 2015

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Jun 11th, 2015
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