Answer:
3x² + 14x = -11
3x² + 14x + 11 = 0
x = (-14 ± √(14² - 4(3)(11)))/(2×3)
= (-14 ± √(196 - 132))/6
= (-14 ± √64)/6
= (-14 ± 8)/6
= -6/6, -22/6
= -1, -3 2/3
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