Question

From 2
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-7 - 8
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subtract the product of (2x + y) (5x − 3y)

Answer 1

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

10x^2-6xy+5xy-3y^2 30

10x^2-xy-3y^2

10x^2-5xy+6xy-3y^2=0 -5 +6

5x(2x-y) +3y(2x-y)=0

5x+3y=0 or 2x-y=0

5x=-3y or 2x=y

x=-3y/5 or x=y/2

Answer 2

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