hi how to solve this
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Verified answer
Answer:
0
Step-by-step explanation:
Given
polynomial = 2x^2-x-1
the value of x is - 1/2
By substituting the value of x in the given polynomial
we get
= 2(-1/2)^2-(-1/2)-1
= 2(1/4)+1/2-1
= 1/2+1/2-1
= 2/2-1
= 1-1
= 0
Hope this helpful to you