method completing Square x square - 3 x minus 10 =0
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Answer:
x = 5 , - 2
Step-by-step explanation:
x² - 3x - 10 = 0
x² - 5x + 2x - 10 = 0
x ( x - 5 ) + 2 ( x - 5 ) = 0
( x - 5 ) ( x + 2 ) = 0
•°• ( x - 5 ) = 0 •°• ( x + 2 ) = 0
x = 5 x = - 2
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