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Solution :
------------
x² + 2x -195 = 0
= x² + 15x - 13x -195
= x( x +15) -13 (x +15)
= (x-13) ( x +15)
= If X -13 = 0
then X = 13
If x + 15 =0
then x = 15
HöPe ïT hèLps ❗
Solution :
------------
x² + 2x -195 = 0
= x² + 15x - 13x -195
= x( x +15) -13 (x +15)
= (x-13) ( x +15)
= If X -13 = 0
then X = 13
If x + 15 =0
then x = 15
HöPe ïT hèLps ❗
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