131k views
5 votes
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
by
8.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories