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5 votes
Four times a number is 45 less than the square of that number. Find the negative solution

User Arcolye
by
3.7k points

1 Answer

4 votes

Answer: x<-9

Explanation:

4x-45<
x^(2)

x^2+4x-45<0

factor

(x+9)(x-5)<0

x<-9,x<5

the negative solution is x<-9

User Andreas Hausladen
by
3.9k points