27x^2 - 126x = 0
9x(3x-14) = 0
As you know, if a*b=0 either a=0 or b=0
So, either
9x=0 ==> x=0
or
3x-14 = 0 ==> x = 14/3
quadratic equation
solve the equation by factorization
27x^2 - 126x = 0
So x=? or x=?
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