Question

solve the question please

Answer 1

Values:

x = 2

y = -1

z = 2

Equation (i): 4x² - 3y² + 5z²

Plug in the values and solve:

=> 4(2)(2) - 3(-1)(-1) + 5(2)(2)

=> 16 - 3 + 20

=> 33

Equation (ii): 3x³ - 2x(4yz + 5x²)

=> 3(2)(2)(2) - 2(2)(4(-1)(2) + 5(2)(2))

=> 24 - 4(-8 + 20)

=> 24 - 4(12)

=> 24 - 48

=> -24

Answer 2

Answer:

1) 33

2) 39

Step-by-step explanation:

substitute the values of x y and zin the given algebraic expressions and you will get the answer