What is factor 40r^3-8r^2+15r-3 ?

The solution to factor 40r^3-8r^2+15r-3 is (5r-1)(8r^2+3)

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factor 40r^3-8r^2+15r-3

factor

40 r^{3} - 8 r^{2} + 15 r - 3

(5 r - 1) (8 r^{2} + 3)

Solution steps

40 r^{3} - 8 r^{2} + 15 r - 3

= (40 r^{3} - 8 r^{2}) + (15 r - 3)

Factor out

8 r^{2}

from

40 r^{3} - 8 r^{2} : 8 r^{2} (5 r - 1)

Factor out

3

from

15 r - 3 : 3 (5 r - 1)

= 8 r^{2} (5 r - 1) + 3 (5 r - 1)

Factor out common term

5 r - 1

= (5 r - 1) (8 r^{2} + 3)

X^{2} - 2 X + 1

x^{\frac{1}{2}} \times \frac{1}{x}

- x^{2} + 9 x - 20

(u + 4) (u - 8)

\frac{77}{3}

What is factor 40r^3-8r^2+15r-3 ?
The solution to factor 40r^3-8r^2+15r-3 is (5r-1)(8r^2+3)