The sum of a natural number and it's square is 42 ,Then that number is ______
Answers
Answered by
3
Step-by-step explanation:
HELL DEAR FRIEND
LET THE NUMBER BE X
ATQ,
X² + X = 42
X² + X - 42 = 0
X² + 7X - 6X - 42 = 0
X(X + 7) -6(X + 7)
(X - 6)(X + 7)
X = 6 , -7
SINCE IT'S A NATURAL NUMBER SO
X=6
THANKS
HOPE IT HELPS YOU DEAR FRIEND
Similar questions