How to subtract trinomials - PSAT Math
Card 0 of 3
Question
Evaluate the following:
Evaluate the following:
Answer
To subtract these two trinomials, you first need to flip the sign on every term in the second trinomial, since it is being subtrated:
Next you can combine like terms. You have two terms with 
, two terms with 
, and two terms with no variable:
To subtract these two trinomials, you first need to flip the sign on every term in the second trinomial, since it is being subtrated:
Next you can combine like terms. You have two terms with
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Question
Subtract:
Subtract:
Answer
When subtracting trinomials, first distribute the negative sign to the expression being subtracted, and then remove the parentheses: 
Next, identify and group the like terms in order to combine them: 
.
When subtracting trinomials, first distribute the negative sign to the expression being subtracted, and then remove the parentheses:
Next, identify and group the like terms in order to combine them:
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Question
Find the difference:
Find the difference:
Answer
Find the difference:
Distribute the negative to the second trinomial:
Combine like terms:
Find the difference:
Distribute the negative to the second trinomial:
Combine like terms:
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