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Mathematics, 14.04.2021 22:50 omriejs5

Brian needs to find the value of a number, a, so that when (x^2+3x) is added to the binomial (3x^2+ax), the sum simplifies to 4x^2+12x. What is the value of a?

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Brian needs to find the value of a number, a, so that when (x^2+3x) is added to the binomial (3x^2+a...
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