2(2x-5y)(3x+4y)-6(2x-5y)(x-y)
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A3433nswer:
3456terew
Step-by-step e4xplanation:
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Step-by-step explanation:
2(2x-5y)(3x+4y)-6(2x-5y)(x-y)
=2(6x^2+8xy-15xy-20y^2)-6(2x^2-2xy-5xy+5y^2)
=2(6x^2-7xy-20y^2)-6(2x^2-7xy+5y^2)
=12x^2-14xy-40y^2-12x^2+42xy-30y^2
=28xy-10y^2
Dividing by 2
=14xy-5y^2
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