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asked Dec 19, 2022 73.9k views

4 votes

Help me with this in the next 5 hours

Mathematics
high-school

Red Cricket asked

by Red Cricket

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2 Answers

1 vote

The answer is D -28

Miguel Teixeira answered Dec 21, 2022

by Miguel Teixeira

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1 vote

Answer:

- 28

Explanation:

$2 {x}^(2) - 4 {y}^(2)$

By putting the value of x = 2 and y = -3 then,

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

= (2 * 4) - (4 * 9)

= 8 - 36

= - 28 (Ans)

Daniel Corona answered Dec 24, 2022

by Daniel Corona

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