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`I. 2x^(2) + 15x + 28 = 0" "II. 2y^(2) + 13y + 21 = 0`A. if`x gt y`B. if`x ge y`C. if `x lt y`D. if ` x le y` |
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Answer» Correct Answer - D I. `2x^(2) + 15x+28 = 0` ` 2x^(2) + 8x + 7x+28 = 0` ` 2x(x+4)+7(x+4) = 0` ` (2x+7) (x+4) = 0` ` x = (- 7/2) , -4` II. ` 2y^(2) + 13y+21 = 0` ` 2y^(2) + 7y+6y + 21 = 0` ` y(2y+7)+3(2y+7) = 0` ` (y+3)(2y+7) = 0` ` y =- , (-7)/2` ` x le y` |
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