SOLUTION: three times the square of a positive number when added to the 7 times of the number result is 26

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Question 425438: three times the square of a positive number when added to the 7 times of the number result is 26
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!

3x^2 + 7x = 26
=> 3x^2 +7x -26 =0
=> 3x^2 -6x + 13x -26 =0
=> 3x(x -2) +13(x -2) = 0
=> (3x+13)(x-2)=0

=> x = 2, -13/3

so number is 2.