What is factor x^2-7xy-8y^2 ?

The solution to factor x^2-7xy-8y^2 is (x+y)(x-8y)

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factor x^2-7xy-8y^2

factor

x^{2} - 7 x y - 8 y^{2}

(x + y) (x - 8 y)

Solution steps

x^{2} - 7 x y - 8 y^{2}

Break the expression into groups

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

Factor out

x

from

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

Factor out

- 8 y

from

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

= x (x + y) - 8 y (x + y)

Factor out common term

x + y

= (x + y) (x - 8 y)

4 x^{2} + 2 x

6 \div 3 + 9^{2} - 4

27 \cdot 9

n - 4 \geq 13

\frac{13 !}{8 !}

What is factor x^2-7xy-8y^2 ?
The solution to factor x^2-7xy-8y^2 is (x+y)(x-8y)