Find the value of following polynomials, when m=-2 ii) 2m²+5m-3 proper solution
Answers
Answered by
2
Answer:
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2m^2 + 5m - 3
= 2m^2 + 6m - m - 3
= 2m (m+3) - 1(m+3)
= (m+3)(2m - 1)
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Answered by
11
Answer:
-5
Step-by-step explanation:
Let f(m) = 2m^2 + 5m - 3
Thus, f(m) at m = -2 is:
f(-2) = 2(-2)^2 + 5(-2) - 3
= 2(4) + 5(-2) - 3
= 8 -10 - 3
= 8 - 13
= -5
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