What is the square root of 2x^2-5x+15
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2x² - 5x + 15 = 0
D = b² - 4ac
D = ( 5 )² - 4 × 2 × 15
D = 25 - 120
D = - 95
• When root is in negative then the equation doesn't have any real roots !
D = b² - 4ac
D = ( 5 )² - 4 × 2 × 15
D = 25 - 120
D = - 95
• When root is in negative then the equation doesn't have any real roots !
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