Question

Evaluate and simplify the expression
when X = 3 and y = 5.
2y + 3(x - y) + x2 = [?]

Answer 1

Explanation:

substitute:

2(5) + 3(3-5) + 3² Do PEMDAS order (parenthesis, exponent, mult/div, add/sub

2(5) + 3(-2) +3²

2(5) + 3(-2) + 9

10 + 3(-2) +9

10-6+9

4+9

13