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please help! I dont understand how to answer. i got x^2-9x+20=0 as my answer. am i incorrect?

Please Help I Dont Understand How To Answer I Got X29x200 As My Answer Am I Incorrect class=

Sagot :

Answer:

x² - 9x + 20

You are correct.

None of the listed choices are correct.

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I think the question originally had 5 and -4 as the solutions

https://www.jmap.org/Worksheets/A.APR.B.3.ZerosofPolynomialsPR1.pdf

x = {-4, 5}

(x + 4)(x - 5) = 0

x² - 5x + 4x - 20 = 0

x² - x - 20 = 0     Answer E

Step-by-step explanation:

x = {4, 5}

y = (x - 4)(x - 5)

y = x² - 5x - 4x + 20

y = x² - 9x + 20

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