Question

An expression is written. 3x2 + 5xy+ y? If x = 4 and y = 2, what is the value of the expression ?​

Answer 1

3x^2 + 5xy + y, for X = 4 and Y = 2
= 3(4)^2 + 5(4)(2) + 2
= 3 * 16 + 40 + 2
= 48 + 40 + 2
= 90