Question

6
act (a) 2x2 + 9 xy2 - 4x +3 from 5xy2 - 6x² + 7x - 9

Answer 1

Answer:

-4xy^2-8x^2+11x-12

Step-by-step explanation:

2x^2+9xy^2-4x+3 from 5xy^2-6x^2+7x-9

{(5xy^2-6x^2+7x-9)-(2x^2+9xy^2-4x+3)}

(5xy^2-6x^2+7x-9-2x^2-9xy^2+4x-3)

5xy^2-9xy^2-6x^2-2x^2+7x+4x-9-3

-4xy^2-8x^2+11x-12.