What is factor d^2-d-20 ?

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

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factor d^2-d-20

factor

d^{2} - d - 20

(d + 4) (d - 5)

Solution steps

d^{2} - d - 20

Break the expression into groups

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

Factor out

d

from

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

Factor out

- 5

from

- 5 d - 20 : - 5 (d + 4)

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

Factor out common term

d + 4

= (d + 4) (d - 5)

1 6^{\frac{- 1}{2}}

\frac{\frac{3}{4}}{\frac{5}{12}}

\frac{5}{12} - \frac{8}{15}

\frac{5}{6} \cdot n = 10

- 2 x - 3 \leq 22