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Simplify 2(5x-3)-(2x+4), 24x-12y+40÷4, (2x)(3y)+2(-xy)

Simplify 2(5x-3)-(2x+4), 24x-12y+40÷4, (2x)(3y)+2(-xy)
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Simplify  2(5x-3)-(2x+4), 24x-12y+40÷4, (2x)(3y)+2(-xy)

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User David Yang Liu
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1 Answer

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2(5x-3)-(2x+4)=2\cdot5x-2\cdot3-2x-4\\\\=10x-6-2x-4=8x-10\\\\\\(24x-12y+40):4=24x:4-12y:4+40:4\\\\=6x-3y+10\\\\\\(2x)(3y)+2(-xy)=6xy-2xy=4xy
answered
User Tony Dallimore
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7.7k points
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