3 is not a root of the equation x2 + 3x - 18 = 0
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Hence , 3 is not a root of the equation x2 + 3x - 18 = 0
Step-by-step explanation:
==: x² + 3x - 18 = 0
==: (3)² + 3*2 - 18 = 0
==: 9 + 6 - 18 = 0
==: 15 - 18 = 0
==: -3 ≠ 0
Hence , 3 is not a root of the equation x2 + 3x - 18 = 0
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