What is factor 12xy^2-9xy-28y+21 ?

The solution to factor 12xy^2-9xy-28y+21 is (4y-3)(3xy-7)

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factor 12xy^2-9xy-28y+21

factor

12 x y^{2} - 9 x y - 28 y + 21

(4 y - 3) (3 x y - 7)

Solution steps

12 x y^{2} - 9 x y - 28 y + 21

= (12 x y^{2} - 9 x y) + (- 28 y + 21)

Factor out

3 x y

from

12 x y^{2} - 9 x y : 3 x y (4 y - 3)

Factor out

- 7

from

- 28 y + 21 : - 7 (4 y - 3)

= 3 x y (4 y - 3) - 7 (4 y - 3)

Factor out common term

4 y - 3

= (4 y - 3) (3 x y - 7)

2^{x + 1} - 2^{x - 2}

(81) (k - 4) (2 - 5)

121 (35 - 7 t)^{2} - 225 (18 - 3 t)^{2}

\frac{( 1 + sin ( x ) )}{( 1 - sin ( x ) )}

5 x (x^{3} + x^{2} + 3 x)

What is factor 12xy^2-9xy-28y+21 ?
The solution to factor 12xy^2-9xy-28y+21 is (4y-3)(3xy-7)