08-02-2020
Mathematics

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Factor to solve. x^2-4x=45

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08-02-2020

Answer: X= 9 and X= -5

Step-by-step explanation:

X^2 - 4x = 45

Move the 45 to the left side by subtraction

X^2 - 4x -45 =0

(X-9)(X+5) = 0

So X= 9 and X= -5

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