Question

add: 3ab+5b^2+3a^2, -9b^2+8ab-2a^2 and 7a^2-10ab+b^2
Plzz help meeee....
Plzzzz

Answer 1

Answer:

ab-3b^2+8a^2

Step-by-step explanation:

3ab+5b^2+3a^2+(-9b^2+8ab-2a^2)+(7a^2-10ab+b^2)

3ab+5b^2+3a^2-9b^2+8ab-2a^2+7a^2-10ab+b^2

(3ab+8ab-10ab)+(5b^2-9b^2+b^2)+(3a^2-2a^2+7a^2)

ab-3b^2+8a^2