Solve : x2 - 7x + 3
Give your answer correct to two decimal places.
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Answer: using quadratic formula
-(-7)+-( 7^2-4 (1)(3))^1/2÷2
=7+(49-12)^1/2÷2
=7+-(37)^1/2÷2
X=7+(37)^1/2÷2 or 7-(37)^1/2÷2
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