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Grade 8 math questions? I'm not asking you to do my homework, just need help?

+1 vote

C) X's
5x (2x +3) - (3x-5y)
 

asked Feb 8, 2013 in ALGEBRA 1 by payton Apprentice
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1 Answer

+1 vote

5x(2x + 3) - (3x - 5y)

Distribute terms using distributive property:  a( b + c) = ab + ac.

5x(2x) + 5x(3) - (3x - 5y)

10x2 + 15x - 3x + 5y

10x2 + 12x + 5y

Therefore 5x (2x +3) - (3x-5y) = 10x2 + 12x + 5y.

answered Feb 8, 2013 by britally Apprentice

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