Here we answer the question: "What two numbers multiply to 672 and add up to -53?"
The answer to your question is:
-32 and -21
Below we illustrate and prove that -32 and -21 multiply to 672 and add up to -53:
-32 × -21 = 672
-32 + -21 = -53
Are you asking because you are trying to figure out how to factor the following quadratic equation?
x2 - 53x + 672 = 0
If so, the solution to factor the quadratic equation above is:
(x - 32 ) (x - 21)
To summarize, since -32 and -21 multiply to 672 and add up -53, you know that the following is true:
x2 - 53x + 672 = (x - 32 ) (x - 21)
Multiply To One Number and Add Up To Another
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