What is factor 5x^2-38x+21 ?

The solution to factor 5x^2-38x+21 is (5x-3)(x-7)

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factor 5x^2-38x+21

factor

5 x^{2} - 38 x + 21

(5 x - 3) (x - 7)

Solution steps

5 x^{2} - 38 x + 21

Break the expression into groups

= (5 x^{2} - 3 x) + (- 35 x + 21)

Factor out

x

from

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

Factor out

- 7

from

- 35 x + 21 : - 7 (5 x - 3)

= x (5 x - 3) - 7 (5 x - 3)

Factor out common term

5 x - 3

= (5 x - 3) (x - 7)

\frac{1}{x - 5} + \frac{1}{x + 2} \geq \frac{2 x}{x ^{2} + x - 2}

6 d + 21 = 75

\frac{\frac{\frac{y ^{2} - z ^{2}}{yz}}{y - z}}{z}

- \frac{3}{2} + 1

- x < 8