Simplify x(2x-1) +5 and find its value at x= -2
Answers
Answered by
0
Answer:
10
Step-by-step explanation:
we have put x= -2
then we get answer
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Answered by
1
Step-by-step explanation:
x(2x- 1) + 5 x = -2
2x^2 - x + 5
2(-2)^2 - (-2) + 5 =
2(4) + 2 + 5 = 8 + 7
= 15
therefore the answer is 15.
hope it helps !!
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