Question

x-2y-x²+4y²
Please give correct answer​

Answer 1

Question: $x-2y-x²+4y²$

To Find: Equation.

Using Formula: Suitable Identify.

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$\implies x-2y-(x² + (2y)²) \\ \\ \implies \tt{We \: Know \: That, \:} a² - b² = (a + b)(a - b) \\ \\ \implies x-2y -[(x + 2y)(x - 2y)] \\ \\ \sf\blue{Take \: out \: common \: in \: all \: terms,} \\ \\ \implies (x-2y)(1-(x + 2y)) \\ \\ \implies {\fcolorbox{blue}{blue}{(x-2y)(1-x-2y)}}$

Answer 2

Answer: (x-2y)(1-x-2y)

Hope it helps you