asked 126k views
3 votes
What two numbers mutiples to 12 and add to -7

2 Answers

7 votes

Answer:

These numbers are -3 and -4.

Explanation:

Our task is to find two numbers that:

  • Multiply to be 12
  • Add to be -7

These numbers are -3 and -4. Let's check:

  • -3 * (-4) = 12
  • -3 + (-4) = -3 - 4 = -7


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answered
User Iarek
by
7.4k points
1 vote

Answer:

x + y = -7

xy = 12---->x(-7 - x) = 12

x(7 + x) = -12

x² + 7x + 12 = 0

(x + 4)(x + 3) = 0

x = -4, -3

The two numbers are -3 and -4.

answered
User Rahulnikhare
by
8.2k points

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