Question

Subtract 3x2 – 7xy + 8y2

from – 9x2 + 8xy – 8y2

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Answer 1

Answer:

hope it helps u

mark as brainliest..

Answer 2

Step-by-step explanation:

$- 9 {x}^{2} + 8xy - 8 {y}^{2} - (3 {x}^{2} - 7xy + 8 {y}^{2} \\ - 9 {x}^{2} + 8xy - 8 {y}^{2} - 3 {x}^{2} + 7xy - 8 {y}^{2} \\ - 9 {x}^{2} - 3 {x}^{2} - 8 {y}^{2} - 8 {y}^{2} + 8xy + 7xy \\ - 12 {x}^{2} - 16 {y}^{2} + 15xy$

i hope it will help you buddy..