Question

2x²-x-2
The value of x =-1

Answer 1

Step-by-step explanation:

2×(-1)^2+1-2=1

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Answer 2

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$\boxed{\orange{\texttt{Question}}}$

$\pink{2x^2-x-2 }$

$\pink{The\:value\:of\:x =-1}$

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$\red{2x^2-x-2}$

$\red{2(-1)^2-(-1)-2}$

$\red{2+1-2}$

$\red{1}$