Question

X.(X-3)=2
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Answer 1

distributiva = x² -3x -2 = 0

A=1 B=-3 C= -2

x1=

( -b² +- √ b²-4ac ) / 2a

( -(-3²) + √(-3)² - (4.1.(-2)) / 2.1

9 + ( √9 + 8 ) / 2

x2 =

9 - ( √9 + 8 ) / 2

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