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

The solution to factor 2y^2-11y-21 is (2y+3)(y-7)

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factor 2y^2-11y-21

factor

2 y^{2} - 11 y - 21

(2 y + 3) (y - 7)

Solution steps

2 y^{2} - 11 y - 21

Break the expression into groups

= (2 y^{2} + 3 y) + (- 14 y - 21)

Factor out

y

from

2 y^{2} + 3 y : y (2 y + 3)

Factor out

- 7

from

- 14 y - 21 : - 7 (2 y + 3)

= y (2 y + 3) - 7 (2 y + 3)

Factor out common term

2 y + 3

= (2 y + 3) (y - 7)

3 - 6 x = 21

3 x^{2} - 15 x - 72

4 \cdot \frac{3}{2}

\frac{4}{3} π (\frac{3}{2})^{3}

4 x^{2} + 7 x - 2 > 0