find the product of the following (x+2y)(2x-9y+7)
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2x^2 -9xy +7x + 4xy -18y^2 + 14
= 2x^2 - 18y^2 -5xy +14
= 2x^2 - 18y^2 -5xy +14
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Answer-
Given Equation is (2x + 3y)(2x - 3y)
= > 4x^2 - 6xy + 6xy - 9y^2
= > 4x^2 - 9y^2.
(or)
Given Equation is (2x + 3y)(2x - 3y)
We know that (a+b)(a-b) = a^2 - b^2
= > 4x^2 - 9y^2.
Step-by-step explanation:
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