Question

find the value of the following expressions when x=2 and y=(-2) .(1) 2x² - 2y³​

Answer 1

Answer:

2x2x2 +2x2x2x2=24

put value and find the answer

Answer 2

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$\huge{\underline{\red{\bold{ Question:- }}}}$

Find the value of the following expression when x=2 and y=(-2).

(1) 2x² - 2y³

$\huge{\boxed{\blue{\text{ Solution:- }}}}$

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Given:-

• x = 2
• y = (-2)

By applying them in the equation,

=> 2(2)² - 2(-2)³

=> 2 × 4 - 2(-8)

[∵(-)ve×(-)ve=(+)ve]

=> 8 + 16

$\boxed{ => 24 }$

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Hence done.