Question

find the value if 5m² + 2n when 2m = 1 and n= -1​

Answer 1

Answer:

$5 {m}^{2} + 2n \\ = 5 \times(1 \times 1) + (2 \times - 1) \\ = 5 \times 1 + ( - 2)\\ = 5 + ( - 2) \\ = 5 - 2 \\ = 3$

Explanation:

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