factorize 9(x+y)^2_x^2
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9(x + y)² - x²
=> {3(x + y)}² - (x)²
=> {3(x + y) - x}{3(x + y) + x} [as a² - b² = (a - b)(a + b)]
=> (2x + 3y)(4x + 3y)
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9y2+18xy
Step-by-step explanation:
very esasy to solve normal equation and find this ans
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