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What number multiplies to get 30 but adds to get -7?

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Anonymous

∙ 9y ago
Updated: 12/20/2022

a+b=-7

rearrange:

b= -a-7=-(a+7)

substitute into:

ab=30

-a(a+7)=30

-a^2-7a-30=0

a^2+7a+30=0

x = complex number, therefore there are no two Real numbers that exist that satisfy these two conditions.

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∙ 9y ago
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