What is factor 64r^3+56r^2-56r-49 ?

The solution to factor 64r^3+56r^2-56r-49 is (8r+7)(8r^2-7)

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factor 64r^3+56r^2-56r-49

factor

64 r^{3} + 56 r^{2} - 56 r - 49

(8 r + 7) (8 r^{2} - 7)

Solution steps

64 r^{3} + 56 r^{2} - 56 r - 49

= (64 r^{3} + 56 r^{2}) + (- 56 r - 49)

Factor out

8 r^{2}

from

64 r^{3} + 56 r^{2} : 8 r^{2} (8 r + 7)

Factor out

- 7

from

- 56 r - 49 : - 7 (8 r + 7)

= 8 r^{2} (8 r + 7) - 7 (8 r + 7)

Factor out common term

8 r + 7

= (8 r + 7) (8 r^{2} - 7)

x^{4} - 5 x^{3} + 5^{2} - x - 12

\frac{π}{3} - \frac{π}{4}

\frac{5}{12} - 1

1 5^{2} + 1 7^{2} = c^{2}

7 (a + 3) + 21 = 91

What is factor 64r^3+56r^2-56r-49 ?
The solution to factor 64r^3+56r^2-56r-49 is (8r+7)(8r^2-7)