Here we answer the question: "What two numbers multiply to 384 and add up to -70?"
The answer to your question is:
-64 and -6
Below we illustrate and prove that -64 and -6 multiply to 384 and add up to -70:
-64 × -6 = 384
-64 + -6 = -70
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 70x + 384 = 0
If so, the solution to factor the quadratic equation above is:
(x - 64 ) (x - 6)
To summarize, since -64 and -6 multiply to 384 and add up -70, you know that the following is true:
x2 - 70x + 384 = (x - 64 ) (x - 6)
Multiply To One Number and Add Up To Another
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