Question

Thrice the square of natural number decreased by 4 times the number is equal to 50 more than the number the number is

Answer 1

Let the number be x,

=> x² - 4x = x +50

=> x² - 5x - 50 = 0

=> x² - 10x + 5x - 50 = 0

=> x(x - 10) + 5(x - 10) = 0

=>(x+5) (x-10) = 0

=> x = (-5) or 10

Since the number required in the question is a natural number, therefore your answer is 10

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Answer 2

Answer:

5.

please find the attached image.