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Factor the trinomial:
x^2-8x-33

please help I'm stumped

User Jihor
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2 Answers

6 votes
Okay let's take it step by step. First, let's see what two factors of -33 are equal to -8. What are the factors of -33? We can do -33 and 1, -1 and 33, -11 and 3, or -3 and 11. The right pair will be -11 and 3 because -11 plus 3 is -8, which is what we were looking for all along! Okay, let's split up those two into 2 different equations. Let's next split up the x^2. We can do this by breaking it into x and x, because x times x is x^2. Alright! Now we just have to right the equation! Let's start with the
User Darwin
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2 votes
-33=-11*3
-8=-11+3
so
(x-11)(x+3)
User Jimrandomh
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