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

The solution to factor 7x^2+20x-3 is (7x-1)(x+3)

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factor 7x^2+20x-3

factor

7 x^{2} + 20 x - 3

(7 x - 1) (x + 3)

Solution steps

7 x^{2} + 20 x - 3

Break the expression into groups

= (7 x^{2} - x) + (21 x - 3)

Factor out

x

from

7 x^{2} - x : x (7 x - 1)

Factor out

3

from

21 x - 3 : 3 (7 x - 1)

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

Factor out common term

7 x - 1

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

\frac{3 3}{3}

16 x^{2} - 40 x y + 25 y^{2}

10 x^{2} - 25 = 0

(\frac{4}{3})^{\frac{1}{2}} + (\frac{1}{3})^{- \frac{1}{2}}