Find the value of the expressions below for X=10 X whith the 2ed power -2(X+5)

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02-05-2017
Mathematics

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Find the value of the expressions below for X=10 X whith the 2ed power -2(X+5)

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gullin1 gullin1 · Answer 1 · 2017-05-02T23:22:42+02:00

gullin1 gullin1

02-05-2017

The answer is -30.

Why: If x = 10, then you fill in -2(10 + 5). Do -2 times 10 and -2 times 5. The new equations is (-20 + -10). When you add two negatives, the answer will be a negative so the answer is -30.

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