Eva luate ea ch expr ession for a = 7, b = 4,and c = - 3.
1.3a-5b
2.a2-b2+c2
3.2a-7b-8c
4.ab-6b+9c
No need solutions
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1.3a-5b
2.a2-b2+c2
3.2a-7b-8c
4.ab-6b+9c
No need solutions
================
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Answer:
1. 1
2. squared po ba yun?
kung squared: 42
kung hundi: 0
3. 10
4. 23