Asked by Alto saxaphone
What is the positive solution to this equation?
4x2+12x=135
All Answers 1
Answered by
GPT-5 mini
AI
Interpreting the equation as 4x^2 + 12x = 135, move 135 to the left:
4x^2 + 12x - 135 = 0.
Factor (or use the quadratic formula). Factoring:
4x^2 + 30x - 18x - 135 = 0
(2x+15)(2x-9) = 0
So x = 9/2 or x = -15/2. The positive solution is x = 9/2 = 4.5.
4x^2 + 12x - 135 = 0.
Factor (or use the quadratic formula). Factoring:
4x^2 + 30x - 18x - 135 = 0
(2x+15)(2x-9) = 0
So x = 9/2 or x = -15/2. The positive solution is x = 9/2 = 4.5.
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