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3 votes
:)))) solve the following by factorizing: x^2-2x=120

User Ben Thul
by
7.9k points

1 Answer

6 votes

Answer:

Explanation:


x^2 - 2x = 120\\x^2 - 2x - 120 = 0

We have to find the factors of 120 that can either add up to or have a difference of 2.

The factors of 120 are:


\pm 1, 120, 2, 60, 3, 40, 4, 30, 5, 44, 6, 20, 8, 15, 10, 12...

The difference of 10 and 12 is 2. In the equation, since the 2 is negative, the larger number must be subtracted, so the factorized form is:


(x+10)(x-12)

User Scott Zhu
by
8.6k points

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