What is factor 7y^2-20y-3 ?

The solution to factor 7y^2-20y-3 is (7y+1)(y-3)

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factor 7y^2-20y-3

factor

7 y^{2} - 20 y - 3

(7 y + 1) (y - 3)

Solution steps

7 y^{2} - 20 y - 3

Break the expression into groups

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

Factor out

y

from

7 y^{2} + y : y (7 y + 1)

Factor out

- 3

from

- 21 y - 3 : - 3 (7 y + 1)

= y (7 y + 1) - 3 (7 y + 1)

Factor out common term

7 y + 1

= (7 y + 1) (y - 3)

514

x^{2} - 2 x + 3

a^{2} + 9 a + 20 = 0

- \frac{0.9 ( 5 )}{( 0.01 ( 5 ) ^{2} + 1 ) ^{2}}

9 x - 4 = 3 x - 16