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Question

Solve:

13x22x9.

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Solution

Given 13x22x9
Since we know quadratic form of an equation is ax2+bx+c=0
Let us solve the given equation
13x22x9=0
x26x273=0
x26x27=0
x2+3x9x27=0
x(x+3)9(x+3)=0
(x9)(x3)=0
(x9)=0;(x+3)=0
x=9;x=3
x=9,3

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