Question

Evaluate the following expression using the values given:

Find 2r2 + 3s3 - r2 + 4t2 - r2 if r = -2, s = -3, and t = 5.

-19

-37

27

19

Answer 1

Also can you help with this one?

Evaluate the following expression using the values given:

Find 3x2 - y3 - y3 - z if x = 3, y = -2, and z = -5.

Numerical Answers Expected!

Answer 2

\[2(-2)^2+3(-3)^3-(-2)^2+4(5)^2-(-2)^2=19\]

Answer 3

\[3(3)^2-(-2)^3-(-2)^3-(-5)=48\]