What is factor 2x^2-21x-11 ?

The solution to factor 2x^2-21x-11 is (2x+1)(x-11)

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factor 2x^2-21x-11

factor

2 x^{2} - 21 x - 11

(2 x + 1) (x - 11)

Solution steps

2 x^{2} - 21 x - 11

Break the expression into groups

= (2 x^{2} + x) + (- 22 x - 11)

Factor out

x

from

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

Factor out

- 11

from

- 22 x - 11 : - 11 (2 x + 1)

= x (2 x + 1) - 11 (2 x + 1)

Factor out common term

2 x + 1

= (2 x + 1) (x - 11)

6 (x - 7) - 7 (x - 6) = x + 6 - (x - 4)

2 x = x - 1

2 y^{2} - 9 y + 7

15 - 4 x - 4 x^{2}

y^{3} + y^{2} + y + 1