Question

a) x⁵ - 3x⁴ + y² - 2xy + z² +2z when x = 2, y = 3 and z = -4​

Answer 1

(2)power 5-3×2 power 4+2×2×3+ -

(2)power 5-3×2 power 4+2×2×3+ -4 power 2 +2× (-4)

power 2 +2× (-4)

Answer 2

Answer:

-11

Step-by-step explanation:

x⁵- 3x⁴ + y² - 2xy + z² + 2z

Putting the values of x, y, z-

= 2⁵ - 3 × 2⁴ + 3² - 2 × 2 × 3 + (-4)² + 2 × (-4)

= 32 - 48 + 9 - 12 + 16 - 8

= -11