quezzglover12 quezzglover12

09-12-2020
Mathematics

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What are two numbers that multiply to the value on top and add to the value on bottom

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Аноним Аноним

09-12-2020

is this correct?

a * b = -70

a + b = -9......a = -9 - b

b(-9 - b) = -70

-b^2 - 9b + 70 = 0

(-b + 5)(b + 14) = 0

-b + 5 = 0

5 = b

b + 14 = 0

b = -14

ur numbers are -14 and 5

-14 * 5 = -70

-14 + 5 = -9

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