V. find the following:

48.
the total cost c is represented by the expression 2c² - 3c + 1. Factor this expression.

49.
The area of parallelogram is
15x² + 31x + 10 square inches. It's Base is 3x + 5 inches. Find it's height.

50.
The area of a rectangle is 21x² + 22x - 8 square centimeters. it's height is 3x + 4 centimeters. find it's base.
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