Queenypierre Queenypierre

28-12-2019
Mathematics

contestada

The difference of the square of a number and 27 is equal to 6 times that number. Find
the negative solution.

Respuesta :

nonsibi nonsibi

28-12-2019

First, let us translate the problem into an equation.

x²-27=6x

Then we can find its roots.

x²-6x-27=0

(x-9)(x+3)=0

x=9, -3

answer: -3

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