Question

Q3.
a) Find the sum of
2x^4 + 3x^3y + 5 xy^3 – 9,
7xy^3- 2 x^3y - 4x^4 and 6x^3y - 3 xy^3 + 2​

Answer 1

Answer:

-2x^4+7x^3y+9xy^3-7

Step-by-step explanation:

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

- 2x^4+1x^3y+6x^3y+12xy^3-3xy^3-7

-2x^4+7x^3y+9xy^3-7

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