‼️Find the sum.
6. 3x + 4xy + 4y² and 7x² – 3xy - 2y²
7. 8x3 - 6x² + 3x + 4 and 4x3 + 2x2 - 4x – 1
8. 3x3 + x - 2 and 2x2 + 3x + 7
9. 4x3 + 7x - 9 and -3x2 + 10x + 1
10. -8x2 + 7xy + 8y and 13x² – 11xy - 3y
6. 3x + 4xy + 4y² and 7x² – 3xy - 2y²
7. 8x3 - 6x² + 3x + 4 and 4x3 + 2x2 - 4x – 1
8. 3x3 + x - 2 and 2x2 + 3x + 7
9. 4x3 + 7x - 9 and -3x2 + 10x + 1
10. -8x2 + 7xy + 8y and 13x² – 11xy - 3y
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Answer:
6. =7x^2+xy+2y^2+3x
7. =12x^3−4x^2−x+3
8. =3x^3+2x^2+4x+5
9. =4x^3−3x^2+17x−8
10. =5x^2−4xy+5y
Step-by-step explanation:
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