Question

2x ^{2} - 2z ^{4} + y ^{2} - x ^{2} + z ^{4}
x=-4, y=3, z=2 Please I need help, I'll fan and medal.

Answer 1

\[2x^{2}\]\[2x ^{2} - 2z ^{4}+y ^{2}-x ^{2}-z ^{4}\]

Answer 2

http://www.mathpapa.com/algebra-calculator.html
use this just replace the letters with the numbers they are equall to

Answer 3

Use this website: http://www.acalculator.com/fraction-operations-mixed-numbers-calculator.html