What is factor x^2-6x-40 ?

The solution to factor x^2-6x-40 is (x+4)(x-10)

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factor x^2-6x-40

factor

x^{2} - 6 x - 40

(x + 4) (x - 10)

Solution steps

x^{2} - 6 x - 40

Break the expression into groups

= (x^{2} + 4 x) + (- 10 x - 40)

Factor out

x

from

x^{2} + 4 x : x (x + 4)

Factor out

- 10

from

- 10 x - 40 : - 10 (x + 4)

= x (x + 4) - 10 (x + 4)

Factor out common term

x + 4

= (x + 4) (x - 10)

8 a^{3} + 27 b^{3}

\frac{( a ^{2} - b ^{2} )}{a + b} - (a + b)^{2} + 2 (a^{2} + ab)

(5^{2})^{- 3}

(\frac{81}{16})^{- \frac{3}{4}}

- 8 x - 10 = 38