One of the factors of the expression (2x-3y)^2-7(2x-3y)-30 is
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Answer:
2x-3y+10
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Step-by-step explanation:
let 2x-3y=a
then(2x-3y)^2-7(2x-3y)-30 is
= a^2-7a-30
=a^2-10a+3a-30
=a(a-10)+3(a-10)
=(a-10)(a+3)
=(2x-3y-10)(2x-3y+3)
this is the correct answer
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