What is factor b^2+2b-3 ?

The solution to factor b^2+2b-3 is (b-1)(b+3)

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factor b^2+2b-3

factor

b^{2} + 2 b - 3

(b - 1) (b + 3)

Solution steps

b^{2} + 2 b - 3

Break the expression into groups

= (b^{2} - b) + (3 b - 3)

Factor out

b

from

b^{2} - b : b (b - 1)

Factor out

3

from

3 b - 3 : 3 (b - 1)

= b (b - 1) + 3 (b - 1)

Factor out common term

b - 1

= (b - 1) (b + 3)

2 x > 4

- 21 (a + 2 b) + 14 a - 9 b

6 x^{2} + 12 x - 48 = 0

2 5^{2}

\frac{3}{7} + \frac{2 x}{5} = - \frac{x}{5} + 1