What is factor 10n^2-21n-49 ?

The solution to factor 10n^2-21n-49 is (5n+7)(2n-7)

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factor 10n^2-21n-49

factor

10 n^{2} - 21 n - 49

(5 n + 7) (2 n - 7)

Solution steps

10 n^{2} - 21 n - 49

Break the expression into groups

= (10 n^{2} + 14 n) + (- 35 n - 49)

Factor out

2 n

from

10 n^{2} + 14 n : 2 n (5 n + 7)

Factor out

- 7

from

- 35 n - 49 : - 7 (5 n + 7)

= 2 n (5 n + 7) - 7 (5 n + 7)

Factor out common term

5 n + 7

= (5 n + 7) (2 n - 7)

4 x^{2} + 3 x + 5 = 0

10 x^{3} + 30 x^{2} + 18 x

r^{2} - r - 12 = 0

63 (b - 1) + 7 = 7 (9 b - 8)

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

What is factor 10n^2-21n-49 ?
The solution to factor 10n^2-21n-49 is (5n+7)(2n-7)