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vlabodo [156]
3 years ago
9

Please help! URGENT! will award 30 points & brainliest!

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
4 0

Answer:

i believe it is -21, but i'm not sure

Step-by-step explanation:

just foil the two to get a quadratic expression

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Help?? 15 points for whoever helps! QUICK!!
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Hii.

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5 0
2 years ago
When a number is decreased by 20% of​ itself, the result is 136. What is the​ number?
Diano4ka-milaya [45]

Answer:

<u>The number is 170</u>

Step-by-step explanation:

Let's solve for x, this way:

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Let's prove that x = 170 is correct

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