Question

9. Simplify (x - y) (2x - y) + (x - 2y) (3x - 2y) + (2x + y) (x + 7y).​

Answer 1

Answer:

The answer is

7x^2+4xy+12y^2

7 x square plus 4 x y plus 12 y square

Answer 2

Answer:

7x²+4xy+12y²

Step-by-step explanation:

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

2x²-xy-2xy+y²+3x²-2xy-6xy+4y²+2x²+14xy+xy+7y²

2x²+3x²+2x²-xy-2xy-2xy-6xy+14xy+xy+y²4y²+7y²

7x²+4xy+12y²