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PLZ HELP ASAP

WILL GIVE BRANILSIT
Question:

Part A: How do you factor trinomials? Use 2x^3 - 16x^2 - 18x to explain the process.



Part B: How can we check the binomial factors to verify that they are truly factors?

User Paulgv
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1 Answer

3 votes

Answer:

See below

Explanation:

You pull-out what is common.

2
x^(3) -16x^(2) -18x


2x(x^(2) -8x-9)

2x(x-9)(x+1)

To verify, set each answer = 0

2x = 0, x=0

x-9 = 0, x=9

x+1 = 0, x=-1

Now, plug each value back into the equation and make sure each one equals 0.

User Voddan
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