state wheather x = -2 is the root or not of following equation : x^2 + 3x - 4 = 0
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Answered by
0
Answer:
-2²+3.-2-4=0
4-6-4=0
4-10=0
-6≠0
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Answered by
1
Answer:
not a root
Step-by-step explanation:
(-2)^2+3(-2)-4=-6 has to be 0 for -2 to be a root which is not true
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