What is factor d^2+10d+9 ?

The solution to factor d^2+10d+9 is (d+1)(d+9)

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factor d^2+10d+9

factor

d^{2} + 10 d + 9

(d + 1) (d + 9)

Solution steps

d^{2} + 10 d + 9

Break the expression into groups

= (d^{2} + d) + (9 d + 9)

Factor out

d

from

d^{2} + d : d (d + 1)

Factor out

9

from

9 d + 9 : 9 (d + 1)

= d (d + 1) + 9 (d + 1)

Factor out common term

d + 1

= (d + 1) (d + 9)

\frac{3}{4} x - \frac{1}{2} = - 2

\frac{1}{2} - \frac{1}{10}

4 x^{2} = 36 x - 87

v^{2} = \frac{25}{81}

5 x^{2} = 2 x + 2