Question

3. Evaluate 2x + 5y^2 - 3z if x = 6, y = 4, and z = 7.*
Your answer
This is a required question

Answer 1

Answer:

71

Step-by-step explanation:

(2)(6)+5(4^2)−(3)(7)

=12+5(4^2)−(3)(7)

=12+(5)(16)−(3)(7)

=12+80−(3)(7)

=92−(3)(7)

=92−21

=71