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salantis [7]
3 years ago
8

How do I expand the expression shown?

Mathematics
1 answer:
bezimeni [28]3 years ago
7 0

x² - x + 4x - 4 → D

Expand using the FOIL method

F → multiply First terms → x and x = x²

O → multiply the Outer terms → - 1 and x = - x

I → multiply the Inner terms → 4 and x = 4x

L → multiply the last terms → 4 and - 1 = - 4


(x + 4)(x - 1) = x² - x + 4x - 4


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Answer:

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Step-by-step explanation:

125 is equal to 5 times 5 times 5, and a power is a way to write repeated multiplication, just by saying what number it is and the putting a ^ sign and then saying how many times there is that number. There is 5 three times, so the power is 5^3.

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