Four times of a positive integer is less than twice its square by 10. Find the integer. Answer:

Question

asked Oct 24, 2021 156k views

1 Answer

Sean DeNigris · Answer 1 · 2021-10-28T10:41:46+0000

Explanation:

Let the integer be x.

4 times of positive integer = 4x

Twice its square = 2x²

Less by 10

ATQ,

$2x^2-4x-10=0\\\\x^2-2x-5=0\\\\x=3.44, -1.44$

Hence, this is the required solution.