Question

-3(6a+4) when a = -2

Answer 1

Substitute the value of a = -2 to the expression -3(6a + 4):

-3(6 · (-2) + 4) = -3 · (-12 + 4) = -3 · (-8) = 24

Used 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)