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5 votes
What two numbers multiply to -105 and add to 8

User Tcarobruce
by
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1 Answer

3 votes
a b=-105
a+b=8
x²+8x-105=0

x²+-7x+15x-105=0
x(x-7)+15(x-7)=0
(x-7)(x+15)=0
a=-7
b=15
User Lucas Serafim
by
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