Question

Find x such that x(x+6)=27

Answer 1

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Answer 2

x(x+6)=27
x^2+6x-27=0
x^2+9x-3x-27=0
x(x+9)-3(x+9)=0
(x+9)(x-3)=0
hence, x=3 or -9......

hope it will help u dear.......