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The square of a number is equal to 10 less than 7 times that number. What are the two possible solutions? Which of the following equations is used in the process of solving this…

The square of a number is equal to 10 less than 7 times that number. What are the two possible solutions? Which of the following equations is used in the process of solving this…
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1 vote
The square of a number is equal to 10 less than 7 times that number. What are the two possible solutions?

Which of the following equations is used in the process of solving this problem?
x^2 - 7x + 70 = 0
x^2 - 7x + 10 = 0
x^2 + 7x - 10 = 0

asked
User Zakaria Amine
by
8.1k points

2 Answers

4 votes

Answer:

b

Explanation:

answered
User Lightbeard
by
7.4k points
0 votes
x^2 = 7x - 10
x^2 - 7x + 10 = 0
(x - 5)(x - 2) = 0
x = 5 or x = 2

The answer is B.
answered
User Mooktakim Ahmed
by
7.6k points
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