X² - 3x + 2(2x) = ...x -> 3

X² – 3x + 2(2x) = …x –> 3

x² – 3x + 2(2x)

x = 3

= 3² – 3(3) + 2(2(3)

= ( 3 × 3 ) – ( 3 × 3 ) + ( 2 × 6 )

= 9 – 9 + 12

= 0 + 12

= 12

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PENYELESAIAN

x² – 3x + 2(2x)

3² – 3(3) + 2(2(3)

(3 × 3) – (3 × 3) + 2(6)

9 – 9 + 12

0 + 12

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