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Solving a quadratic equation (word problem)
jhenny_jane
Jan 4, 2011, 12:52 AM
find the consecutives integers such that 3 times the square of yhe first is equal to 7 more than 5 times the second.
galactus
Jan 4, 2011, 10:32 AM
Consecutive integers can be represented as:
x, x+1, x+2,.
3 times the square of the first:
3\cdot x^{2}
7 more than 5 times the second:
5(x+1)+7
Set these equal and solve for x.