Question

the value of 2x²-3 at x=-2 is​

Answer 1

Answer:

2(2)² -3

2(4)-3

8-3

5

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Answer 2

Answer:

$\huge\rm\pink{Answer:}$

the value of 2x²-3 at x = -2

= 2×(-2)²-3

= 2×4 - 3

= 8-3

= 5