SOLUTION: What numbers add to make 10 and times to make -16

Question 1210340: What numbers add to make 10 and times to make -16

Found 2 solutions by greenestamps, josgarithmetic:
Answer by greenestamps(13216) (Show Source): You can put this solution on YOUR website!

Here is one of many ways to solve the problem.

Since the two numbers add to 10, let them be (5+a) and (5-a).

The product of the two numbers is -16:

or

ANSWERS: and

Answer by josgarithmetic(39631) (Show Source): You can put this solution on YOUR website!

.
Substitute...

General Solution for Quadratic Equation
(some steps taken, not shown)

and you can finish what this means.
RELATED QUESTIONS
what are 2 numbers that add to make -20 and times to make... (answered by josgarithmetic)
what numbers multiply to make -10 but add to make... (answered by Edwin McCravy,rothauserc)
what are two numbers that multiply to make -56 and add to make... (answered by Alan3354)
what are two numbers that add together to make -1 and multiply together to make -42?... (answered by ewatrrr)
What two numbers add together to make 94 and multiply together to get 360... (answered by TimothyLamb,jsmallt9,LinnW)
what two numbers add to make -1 but multiply to make... (answered by Alan3354,josgarithmetic)
what adds to make -11 and times to make positive... (answered by JoelSchwartz)
what two numbers multiply to -16 and add to 15 (answered by ikleyn,MathLover1,math_tutor2020)
WHAT ARE THE THREE EVEN NUMBERS YOU ADD UP TO MAKE A TOTAL OF... (answered by Alan3354)