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OpenStudy (anonymous):
simplify (3x-y)(x+6y)
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OpenStudy (bradely):
3x(x+6y)-y(x+6y) (3x)(x)+(3x)(6y)-(y)(x)-(y)(6y) 3x^2+18xy-xy-6y^2 3x^2+17xy-6y^2 Source: http://www.mathskey.com/question2answer/
OpenStudy (midhun.madhu1987):
Use the formula: (a+b) (c-d) = ac - ad + bc - bd
OpenStudy (anonymous):
Simplify. 3p2r(p3r − 2pq3 − 14p2q4)
OpenStudy (midhun.madhu1987):
I think only one p can be taken outside as common... 3p3r(p2r - 2q3 - 14pq4)
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