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Find x3-2y2-3x3+z4ifx=3,y=5,and z=-3
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Find x3-2y2-3x3+z4ifx=3,y=5,and z=-3

User Ptrk
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1 Answer

4 votes
x^3 - 3x^3 would equal -2x^3
Replaced x by 3, y by 5 and z by -3
-2x^3 = (-2)*(3^3) = (-2)*27 = -54
y^5 = 5^5 = 3125
z^4 = (-3)^4 = 9^2 = 81
Add everything together so the result is 3152
User Honglin Zhang
by
8.8k points
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