Please help ASAP!!! Thank you!!!

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Notapatch asked Jan 20, 2022

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41 votes

Please help ASAP!!! Thank you!!!

Mathematics
college

Notapatch asked Jan 20, 2022

by Notapatch

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1 Answer

15 votes

(1)

=(a+b+c)(x+y)

=a(x+y)+b(x+y)+c(x+y)

=ax+ay+bx+by+cx+cy

(2)

=(x+y+z) (x-y)

=x(x-y)+y(x-y)+z(x-y)

=x2-xy+xy -y2+zx-yz

=x2+zx-y2-yz

Mark Woodward answered Jan 26, 2022

by Mark Woodward

2.9k points

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1 Answer

(1)

=(a+b+c)(x+y)

=a(x+y)+b(x+y)+c(x+y)

=ax+ay+bx+by+cx+cy

(2)

=(x+y+z) (x-y)

=x(x-y)+y(x-y)+z(x-y)

=x2-xy+xy -y2+zx-yz

=x2+zx-y2-yz

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