Simply collect like terms, numbers and or variables that have the same number and type of variable.
For example 15x^2 and 10x^2 are like terms. Circle the sign in front of the term to perform the correct operation.
Answer:
Step-by-step explanation:
You could factor the trinomial and solve it that way, but that is the long way. Just put a - 4 wherever you see an x.
x^2 + 3x + 2 =
(-4)^2 + 3(-4) + 2
16 - 12 + 2
6
The answer is 6.
