(3x +4y) (3x - 4y) - (3w+4y) ^2 please give me answer
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Given Equation is (3x + 4y)(3x - 4y) - (3x + 4y)^2
We know that (a + b)(a - b) = a^2 - b^2
⇒ (3x)^2 - (4y)^2 - (3x + 4y)^2
⇒ 9x^2 - 16y^2 - [9x^2 + 16y^2 + 24xy]
⇒ 9x^2 - 16y^2 - 9x^2 - 16y^2 - 24xy
⇒ -32y^2 - 24xy.
Hope it helps!
siddhartharao77:
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