if  open parentheses x plus 2 close parentheses squared equals space x squared plus open parentheses x minus 2 close parentheses squared then find x

Asked by badesraajay | 8th Sep, 2015, 09:45: PM

Expert Answer:

C o n s i d e r space t h e space g i v e n space e q u a t i o n comma open parentheses x plus 2 close parentheses squared equals x squared plus open parentheses x minus 2 close parentheses squared rightwards double arrow x squared plus 4 x plus 4 equals x squared plus x squared minus 4 x plus 4 rightwards double arrow 2 x squared minus 4 x plus 4 minus x squared minus 4 x minus 4 equals 0 rightwards double arrow x squared minus 4 x minus 4 x equals 0 rightwards double arrow x squared minus 8 x equals 0 rightwards double arrow x open parentheses x minus 8 close parentheses equals 0 rightwards double arrow x equals 0 space o r space x minus 8 equals 0 rightwards double arrow x equals 0 space o r space x equals 8

Answered by Vimala Ramamurthy | 9th Sep, 2015, 09:10: AM