Question

2x^2+x-2)+4 simplify if x=3with whole method​

Answer 1

Step-by-step explanation:

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Answer 2

$= {2x}^{2} + x - 2 + 4$

$= 2 {(3)}^{2} + 3 - 2 + 4$

$= 2(9) + 3 + 2$

$= 18 + 5$

$= 23$