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The product of two numbers is -30, but their sum is -13. What are these two numbers?

User Arigion
by
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2 Answers

4 votes

Answer: -15 and 2

You find this through trial and error.

A much more efficient way is to solve x^2-13x-30 = 0 using the quadratic formula. You'll find the two solutions to be x = 15 and x = -2

Going from those solutions, we get x-15 = 0 and x+2 = 0 which then turn into (x-15)(x+2) = 0 through the zero product property.

User Abhinav Bhardwaj
by
7.8k points
3 votes

Answer:

2 & -15

Explanation:

2 * -15 = -30

2 + (-15) = -13

User Joel DeWitt
by
7.6k points

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