What is factor c^2+cd-20d^2 ?

The solution to factor c^2+cd-20d^2 is (c-4d)(c+5d)

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factor c^2+cd-20d^2

factor

c^{2} + c d - 20 d^{2}

(c - 4 d) (c + 5 d)

Solution steps

c^{2} + c d - 20 d^{2}

Break the expression into groups

= (c^{2} - 4 c d) + (5 c d - 20 d^{2})

Factor out

c

from

c^{2} - 4 c d : c (c - 4 d)

Factor out

5 d

from

5 c d - 20 d^{2} : 5 d (c - 4 d)

= c (c - 4 d) + 5 d (c - 4 d)

Factor out common term

c - 4 d

= (c - 4 d) (c + 5 d)

796

5 x + 2 > 9

6 (x + 1) - 4 x = 5 x - 9

- \frac{3}{2} + \frac{1}{3}

- 23 d + 81 \leq - 98 d + 1

What is factor c^2+cd-20d^2 ?
The solution to factor c^2+cd-20d^2 is (c-4d)(c+5d)