What is factor 8x^2-17x-21 ?

The solution to factor 8x^2-17x-21 is (8x+7)(x-3)

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factor 8x^2-17x-21

factor

8 x^{2} - 17 x - 21

(8 x + 7) (x - 3)

Solution steps

8 x^{2} - 17 x - 21

Break the expression into groups

= (8 x^{2} + 7 x) + (- 24 x - 21)

Factor out

x

from

8 x^{2} + 7 x : x (8 x + 7)

Factor out

- 3

from

- 24 x - 21 : - 3 (8 x + 7)

= x (8 x + 7) - 3 (8 x + 7)

Factor out common term

8 x + 7

= (8 x + 7) (x - 3)

3 ∣ x - 1 ∣ = ∣ - 2 x - 2 ∣ + 4

(\frac{1}{32})^{\frac{1}{5}}

\frac{( 3 - 5 i )}{( 2 - 5 i )}

x + 1 x - 1

x^{4} - x^{4}