Question

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

Answer 1

13

Explanation:

x = 3 & y = 5

2y + 3(x - y) + x² = 2*5 + 3(3 - 5) + 3²

= 2*5 + 3*(-2) + 3²

= 10 - 6 + 9

= 4 + 9

= 13