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Mathematics
OpenStudy (anonymous):

Multiply. (5x2 + x – 4)(x + 2)

OpenStudy (anonymous):

5x3 + x2 -4x + 10x2 + 2x -8

OpenStudy (anonymous):

5x3+x2-4x+10x2+2x-8= 5x3+11x2-2x-8

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