(3x+y)(2x-5)+(2x-y)(2x-5)
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3
Answer:
(3xy+2xy)×(2x+2x-5-5)
5xy×4x-10. (ans)
Answered by
3
(3x+y)(2x-5)+(2x-y)(2x-5)
3x(2x-5)+y(2x-5)+2x(2x-5)-y(2x-5)
=6x^2-15x+2xy-5y+4x^2-10x-2xy+5y
=6x^2+4x^2-15x-10x+2xy-2xy-5y+5y
=10x^2-25x
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