What is factor+3x^2-4x-7 ?

The solution to factor+3x^2-4x-7 is (x+1)(3x-7)

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factor+3x^2-4x-7

factor

+ 3 x^{2} - 4 x - 7

(x + 1) (3 x - 7)

Solution steps

3 x^{2} - 4 x - 7

Break the expression into groups

= (3 x^{2} + 3 x) + (- 7 x - 7)

Factor out

3 x

from

3 x^{2} + 3 x : 3 x (x + 1)

Factor out

- 7

from

- 7 x - 7 : - 7 (x + 1)

= 3 x (x + 1) - 7 (x + 1)

Factor out common term

x + 1

= (x + 1) (3 x - 7)

- 9 \times 8

\frac{7}{4} - 2

- 10 \cdot - 15

\frac{a}{2 a + 2 b} + \frac{b}{2 a + 2 b}

- cos (2 x) + 2 cos^{2} (x)