Solve the following quadratic equations: 12
x
2
+
1
x
2
- 56
x
+
1
x
+ 89 = 0.
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0
Answer:
basic proportionality theorem
Answered by
0
Step-by-step explanation:
given equation is 12x²+1x²-56x+1x+89=0
we get 13x²-55x+89=0
a=13 b=-55 c=89
formula x=-b±√4ac/2a
may it help
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