Question

Evaluate: 9x2 + 4y – z, If x = 2, y = 1,z = 2.

Answer 1

Answer:

9x²+4y-z

Step-by-step explanation:

put values in eqn.

9(2)²+4(1)-2

36+4-2

38

Answer 2

Step-by-step explanation:

=9(2)²+4(1)-2

=9(4)+4-2

=36+2

=38

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