How to Solve Cubic Equations by Factoring | Easy-to-Understand Method

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Work out 7 x square ( x + 5) - 1( x +5)=0. So ( x+ 5)( 7 x square - 1)=0. Handed x = -5 and also 7 x square root = 1. So x = square root of 1/7. PSD.

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