What is factor 3x^2-7x-20 ?

The solution to factor 3x^2-7x-20 is (3x+5)(x-4)

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factor 3x^2-7x-20

factor

3 x^{2} - 7 x - 20

(3 x + 5) (x - 4)

Solution steps

3 x^{2} - 7 x - 20

Break the expression into groups

= (3 x^{2} + 5 x) + (- 12 x - 20)

Factor out

x

from

3 x^{2} + 5 x : x (3 x + 5)

Factor out

- 4

from

- 12 x - 20 : - 4 (3 x + 5)

= x (3 x + 5) - 4 (3 x + 5)

Factor out common term

3 x + 5

= (3 x + 5) (x - 4)

- 16 t^{2} + 128 t = 0

p^{2} + 22 p - 3 = 0

\frac{3 a}{10} + \frac{3}{5} = \frac{a}{25} + \frac{1}{2}

\frac{9}{4} z + \frac{1}{2} = 2