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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 problem? x^2 - 7x + 70
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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 problem?
x^2 - 7x + 70 = 0
x^2 - 7x + 10 = 0
x^2 + 7x - 10 = 0

User Zakaria Amine
by
7.5k points

2 Answers

4 votes

Answer:

b

Explanation:

User Lightbeard
by
6.9k 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.
User Mooktakim Ahmed
by
7.3k points
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