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Evaluate the expression of x = -5 and y = 12

Evaluate The Expression Of X 5 And Y 12 class=

Sagot :

SalmonWorldTopperidn

Answer:

We have to Evaluate the expression:

2x² + 2(3y - 1) - y²

Substitute x = -5 and y = 12 in expression, we get

⇛2(-5)² - 2(3×12 - 1) - 12²

⇛2(-5 × -5) - 2(36 - 1) - 12²

⇛2(25) - 2(35) - 12²

⇛50 - 70 - 12 × 12

⇛50 - 79 - 24

⇛50 - 103

⇛ - 53 Ans.

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