Question

factories the following equation
x²-xy-20y²​

Answer 1

Solution

$x {}^{2} - xy - 20y {}^{2} \\ = x {}^{2} - 5xy + 4xy - 20y {}^{2} \\ = x(x - 5y) + 4y(x - 5y) \\ = (x + 4y)(x - 5y)$

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Answer 2

Answer:

(x+4y) (x-5y)

Step-by-step explanation:

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