if the area of a rectangle is given by the quadratic expression x^2 + 3x - 108 what are the dimensions of x
1 answer:
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i used polynomial division.. i hope this helps :)
Answer:
x = 3
Step-by-step explanation:
The midsegment is half the sum of the parallel bases, that is
(3x + 3 + 4x + 2) = 13
(7x + 5) = 13 ( multiply both sides by 2 )
7x + 5 = 26 ( subtract 5 from both sides )
7x = 21 ( divide both sides by 7 )
x = 3