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Mathematics 7 Online
OpenStudy (anonymous):

Multiply. (x + 3)(x – 4) x2 – 7x – 12 x2 – x – 12 x2 + x – 12 x2 – 12

OpenStudy (anonymous):

= x²-4x+3x-12 = x²-x-12

OpenStudy (anonymous):

x^4-x^3-48x^2-7x-12

OpenStudy (anonymous):

...

OpenStudy (anonymous):

i used mathway.com

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