Cannot be factored
x² - 6x - 8
x² breaks down into x and x
8 breaks down into 1 and 8, 2 and 4, 4 and 2, or 8 and 1.
(x+4)(x-2) = x² + 2x - 8
(x-4)(x+2) = x² - 2x - 8
(x-4)(x-2) = x² - 6x + 8
(x+4)(x+2) = x² + 6x + 8
It will take Mallory 40 minutes to get to the airport by train.
Step-by-step explanation:
Given,
Time taken by car = 120 minutes
Time taken by train = t
According to given statement;
Time taken by car = 3 times time taken by train
Dividing both sides by 3
It will take Mallory 40 minutes to get to the airport by train.
Keywords: division, multiplication
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Answer:
-8
Step-by-step explanation:
-1-7 = -8