Pls solve this i will mark as brainlist
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Step-by-step explanation:
answe is as shown in picture and pls mark me as brainlliest
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Answer:
a) 7m2 - 2mn + 3yz -8- m2 - 6mn -5
7m2 -m2 - 2mn - 6mn + 3yz - 8 - 5
6m2 - 8mn + 3yz- 13
Step-by-step explanation:
b) 2y2 -yz + (-y2 - 2yz - z2 ) +3y2 + 4z2
2y2 - yz + y2 + 2yz - z2 + 3y2 + 4z2
2y2 + y2 + 3y2 - yz + 2yz + z2 + 4z2
3y2 + 3y2 + 1yz + 6z2
6y2 + 1yz + 6z2
now mark as brainlist
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