If a = 4 and b = 5, find the value of:
5a2-3b2
Answers
Answered by
4
Answer:
5×4×4-3×5×5
80-75
5...
Answered by
1
Answer:
5a^2-3b^2
5×4^2-3×5^2
5×16-3×25
80-75= 5
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