What is factor 4x^2-31x+21 ?

The solution to factor 4x^2-31x+21 is (4x-3)(x-7)

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factor 4x^2-31x+21

factor

4 x^{2} - 31 x + 21

(4 x - 3) (x - 7)

Solution steps

4 x^{2} - 31 x + 21

Break the expression into groups

= (4 x^{2} - 3 x) + (- 28 x + 21)

Factor out

x

from

4 x^{2} - 3 x : x (4 x - 3)

Factor out

- 7

from

- 28 x + 21 : - 7 (4 x - 3)

= x (4 x - 3) - 7 (4 x - 3)

Factor out common term

4 x - 3

= (4 x - 3) (x - 7)

8 z - 22 = 3 (3 z + 11) - z

\frac{3 ( x - 2 ) + y ( x - 2 )}{x ^{2} - 4}

- 4 + x < 9

5 x - 1 = 0

- 2 (4 - 2 x) + 3 x = 2 x + 2 (5 + x) - 6