find value of 4x^2-78x-3x+234=0
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Answer: let a=4, b=-81,c=234
Using quadratic equation
X={-b+/-√(b^2-4ac)} ÷ 2a
X={81+/-√6561-3744}÷2×4
X={81+/-√2817} ÷8
Step-by-step explanation:
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