What is factor x^2-2xy-8y^2 ?

The solution to factor x^2-2xy-8y^2 is (x+2y)(x-4y)

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factor x^2-2xy-8y^2

factor

x^{2} - 2 x y - 8 y^{2}

(x + 2 y) (x - 4 y)

Solution steps

x^{2} - 2 x y - 8 y^{2}

Break the expression into groups

= (x^{2} + 2 x y) + (- 4 x y - 8 y^{2})

Factor out

x

from

x^{2} + 2 x y : x (x + 2 y)

Factor out

- 4 y

from

- 4 x y - 8 y^{2} : - 4 y (x + 2 y)

= x (x + 2 y) - 4 y (x + 2 y)

Factor out common term

x + 2 y

= (x + 2 y) (x - 4 y)

\frac{7}{8} + \frac{8}{15} - \frac{4}{16}

\frac{27}{5} \div \frac{81}{25}

20 x^{2} + 236 x + 696

\frac{\frac{11}{3}}{( - 3 )}

11

What is factor x^2-2xy-8y^2 ?
The solution to factor x^2-2xy-8y^2 is (x+2y)(x-4y)