How to factor a trinomial - PSAT Math
Card 0 of 3
Question
Factor the following expression completely:
Factor the following expression completely:
Answer
We must begin by factoring out 
from each term.
Next, we must find two numbers that sum to 
and multiply to 
.
Thus, our final answer is:
We must begin by factoring out
Next, we must find two numbers that sum to
Thus, our final answer is:
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Question
Factor the following trinomial:
Factor the following trinomial:
Answer
To trinomial is in 
form
In order to factor, find two numbers whose procuct is 
, in this case 
, and whose sum is 
, in this case 
Factors of 
:
Which of these pairs has a sum of 
?
and 
Therefore the factored form of 
is:
To trinomial is in
In order to factor, find two numbers whose procuct is
Factors of
Which of these pairs has a sum of
Therefore the factored form of
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Question
Factor the trinomial.
Factor the trinomial.
Answer
Our factors will need to have a product of 
, and a sum of 
, so our factors must be 
and 
.
Our factors will need to have a product of
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