Four times the square of a certain number increased by 6 times the number equals 108.find the number
2 answers:
Hello there.
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Four times the square of a certain number increased by 6 times the number equals 108.find the number
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x = 4.5
x = -6
To effectively determine the correct answer, it would be helpful to write this into an algebraic expression. We let x as the number. We do as follows:
<span>Four times the square of a certain number increased by 6 times the number equals 108.
4x^2 + 6x = 108
The numbers can be either of the following since the equation generated was a quadratic equation which has two roots.
x = 4.5
x = -6 </span>
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