66 =
(3x + 1) x (x - 4) solve it by application of quadratic equation
Answers
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Step-by-step explanation:
(3x+1)(x-4)=66
3x2-12x+x-4=66
3x2-11x-4=66
3x2-11x=70
x(3x-11)=70
x=70
3x=81
x=27
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