Question

Evaluate the following expression using the values given.

Find 2x2 - 2z4 + y2 - x2 + z4 if x = -4, y = 3, and z = 2.

Answer 1

What you need to do is to plug in -4, 3 and 2 to their corresponding variables.

Answer 2

ok

Answer 3

Do you understand it?

Answer 4

nope not at all ...

Answer 5

2*2*-4 - 2*2*4 + 2*3 - 2*(-4) + 2*4
-16-16+6+8+8
-32+6+8+8
=-10