What is factor b^2-bc-90c^2 ?

The solution to factor b^2-bc-90c^2 is (b+9c)(b-10c)

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factor b^2-bc-90c^2

factor

b^{2} - b c - 90 c^{2}

(b + 9 c) (b - 10 c)

Solution steps

b^{2} - b c - 90 c^{2}

Break the expression into groups

= (b^{2} + 9 b c) + (- 10 b c - 90 c^{2})

Factor out

b

from

b^{2} + 9 b c : b (b + 9 c)

Factor out

- 10 c

from

- 10 b c - 90 c^{2} : - 10 c (b + 9 c)

= b (b + 9 c) - 10 c (b + 9 c)

Factor out common term

b + 9 c

= (b + 9 c) (b - 10 c)

5 x^{3} + 15 x^{2} - 20 x

6 x^{2} - 7 x - 3 \leq 0

9 x^{2} + 3 x + 1 = 0

- 11 \geq \frac{c}{2}

a^{12} + b^{12}

What is factor b^2-bc-90c^2 ?
The solution to factor b^2-bc-90c^2 is (b+9c)(b-10c)