What is factor 3x^2-26x-9 ?

The solution to factor 3x^2-26x-9 is (3x+1)(x-9)

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factor 3x^2-26x-9

factor

3 x^{2} - 26 x - 9

(3 x + 1) (x - 9)

Solution steps

3 x^{2} - 26 x - 9

Break the expression into groups

= (3 x^{2} + x) + (- 27 x - 9)

Factor out

x

from

3 x^{2} + x : x (3 x + 1)

Factor out

- 9

from

- 27 x - 9 : - 9 (3 x + 1)

= x (3 x + 1) - 9 (3 x + 1)

Factor out common term

3 x + 1

= (3 x + 1) (x - 9)

x^{2} + 9 x = 0

7 x^{2} = 49 x

20 (d - 4) + 4 d \leq 8

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

36 w^{2} + 12 w + 1