The area of a rectangle is 12x^2-8x-15. The width is (2x-3). What is the length of the rectangle?
1 answer:
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Answer:
C. x = 1
Step-by-step explanation:
To solve this problem the best way is to use the quadratic formula. First make everything equal to 0 by adding 3 to both sides.
3x^2 - 6x + 3 = 0
The quadratic formula is: . Substitute the values of a, b, and c into the formula. Keep in mind:
- a = 3
- b = -6
- c = 3
Therefore, x = 1.