2a + 5a - 3b²
help me please
Answers
Answered by
1
Answer:
7a-3b2
Step-by-step explanation:
this is right solution ok
Answered by
2
Answer:
2a+5a-3b^2
=10a^2-3b^2
3b^2=10a^2
b^2-a^2=10-3
b^2-a^2=7
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