Put the values of x = 4 and y = -2 to the expression 5y² + 3xy - 2x.
Use PEMDAS:
P Parentheses first
E Exponents (ie Powers and Square Roots, etc.)
MD Multiplication and Division (left-to-right)
AS Addition and Subtraction (left-to-right).
[tex]5(-2)^2+3(4)(-2)-2(4)=5(4)-24-8=20-24-8=-12[/tex]
