71.8k views
4 votes
Evaluate 3x^3 - 5y^2 x=5 y=2

Could use some quick help I don't really know what i'm doing wrong.

User Soviero
by
4.7k points

2 Answers

4 votes

Answer:

355

Explanation:

3-5=3*5³-5*2²

3*5³-5*2²=3*125-5*4

3*125-5*4=375-20

375-20=355

User Lukaszgard
by
4.9k points
5 votes

Answer:

355

Explanation:

3
x^(3)-5
y^(2)=3*5³-5*2²

3*5³-5*2²=3*125-5*4

3*125-5*4=375-20

375-20=355

User Alex Lyman
by
4.6k points