y= 4
z= -7
Substitute the given values above in for each variable in the expression below.
= 3y^2 + 2z
= 3(4)^2 + 2(-7)
using order of operations, square 4 before multiplying (PEMDAS: parentheses, exponents, multiplication, division, addition, subtraction)
= 3(16) + (-14)
a positive times negative is negative
= 48 - 14
= 34
ANSWER: 34
Hope this helps! :)
