What is factor 3y^2-2y-21 ?

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

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factor 3y^2-2y-21

factor

3 y^{2} - 2 y - 21

(3 y + 7) (y - 3)

Solution steps

3 y^{2} - 2 y - 21

Break the expression into groups

= (3 y^{2} + 7 y) + (- 9 y - 21)

Factor out

y

from

3 y^{2} + 7 y : y (3 y + 7)

Factor out

- 3

from

- 9 y - 21 : - 3 (3 y + 7)

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

Factor out common term

3 y + 7

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

7 (x + 4) > 0

(x^{\frac{5}{3}})^{\frac{2}{5}}

∣ - 4 x - 6 ∣ = 20

- 8 > h - 4

(5 + 2 i) (- 5 - i)