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Evaluate the expression if x= -2 and y=7.

(xy)^2 - 2x^5
Thank you.
btw this is Algebra I

User JStephen
by
7.3k points

1 Answer

7 votes

Answer:

260

Explanation:

Substitute: (-2 · 7)² – 2 x (-2)⁵

Remove parenthesis: (2 · 7)² + 2 · 2⁵

Calculate the first two terms: 14ײ + 2 × 2⁵

Calculate the power: 196 + 2 × 32

Calculate the first two terms: 196 + 64

Calculate the first two terms: 260

Answer: 260

User Redrom
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7.9k points