What is factor 4y^2-25y+21 ?

The solution to factor 4y^2-25y+21 is (y-1)(4y-21)

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factor 4y^2-25y+21

factor

4 y^{2} - 25 y + 21

(y - 1) (4 y - 21)

Solution steps

4 y^{2} - 25 y + 21

Break the expression into groups

= (4 y^{2} - 4 y) + (- 21 y + 21)

Factor out

4 y

from

4 y^{2} - 4 y : 4 y (y - 1)

Factor out

- 21

from

- 21 y + 21 : - 21 (y - 1)

= 4 y (y - 1) - 21 (y - 1)

Factor out common term

y - 1

= (y - 1) (4 y - 21)

2 (x + 55) (x - 17) = 0

- 4 + 9

v^{2} + 2 v - 3 = 0

y^{2} + 3 y - 4

x^{2} = 4 x + 32