What is factor 4x^2-21x+5 ?

The solution to factor 4x^2-21x+5 is (4x-1)(x-5)

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factor 4x^2-21x+5

factor

4 x^{2} - 21 x + 5

(4 x - 1) (x - 5)

Solution steps

4 x^{2} - 21 x + 5

Break the expression into groups

= (4 x^{2} - x) + (- 20 x + 5)

Factor out

x

from

4 x^{2} - x : x (4 x - 1)

Factor out

- 5

from

- 20 x + 5 : - 5 (4 x - 1)

= x (4 x - 1) - 5 (4 x - 1)

Factor out common term

4 x - 1

= (4 x - 1) (x - 5)

\frac{sin ( x )}{1}

\frac{3 6}{2}

(m^{2} + mn + n^{2}) (m - n)

e^{- l n (x) + c}