What is factor c^2-4c-320 ?

The solution to factor c^2-4c-320 is (c+16)(c-20)

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factor c^2-4c-320

factor

c^{2} - 4 c - 320

(c + 16) (c - 20)

Solution steps

c^{2} - 4 c - 320

Break the expression into groups

= (c^{2} + 16 c) + (- 20 c - 320)

Factor out

c

from

c^{2} + 16 c : c (c + 16)

Factor out

- 20

from

- 20 c - 320 : - 20 (c + 16)

= c (c + 16) - 20 (c + 16)

Factor out common term

c + 16

= (c + 16) (c - 20)

u^{2} - 2 u - 8 = 0

\frac{2}{3} - x \leq 2 + 5 x < 8 x + 6

\frac{1 + 2 i}{2 - i}

z^{2} + 2 z + 5 = 0

(7 x^{2}) (x^{3})