What is factor b^2-2b-63 ?

The solution to factor b^2-2b-63 is (b+7)(b-9)

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factor b^2-2b-63

factor

b^{2} - 2 b - 63

(b + 7) (b - 9)

Solution steps

b^{2} - 2 b - 63

Break the expression into groups

= (b^{2} + 7 b) + (- 9 b - 63)

Factor out

b

from

b^{2} + 7 b : b (b + 7)

Factor out

- 9

from

- 9 b - 63 : - 9 (b + 7)

= b (b + 7) - 9 (b + 7)

Factor out common term

b + 7

= (b + 7) (b - 9)

\frac{3}{∣ 5 - 2 x ∣} \leq 2

\frac{27}{125} x^{6} - 8 y^{9}

22 + 32

2 x + 1 > 7

- \frac{1}{2} + \frac{2}{5}