1mwray0393 1mwray0393

07-02-2018
Mathematics

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one number is 10 more than the other number. if the product of the numbers is -21, find both numbers. Solve algebraically

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kirstenknowles2 kirstenknowles2

07-02-2018

x + (x+10)= -21
x^2 + 10x + 21 = 0
(x+7)(x+3)=0
x= -7 x= -3

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