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What is the unknown positive number when it is increased by 3 and then multiplied by the same unknown number to give a product of 108?
Wiki User
∙ 13y ago
Let the numbers be (x+3) and x:
(x+3)*x = 108
x2+3x-108 = 0
Solving the above quadratic equation works out as:
x = -12 or x = 9
So the numbers are 12 and 9
Check: 12*9 = 108
Wiki User
∙ 13y ago
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The coefficient is the number to be multiplied by the unknown variable as for example 3x whereas 3 is the coefficient and x is the unknown variable.
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What expression represents an unknown number increased by 10?
Let x be the unknown number. the expression is: x + 10.
What is the product of five and an unknown number?
5x
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the product that china trade that was unknown to the west was silk
What is the algebraic expression for twice an unknown number increased by three?
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