Answers

2016-07-28T08:49:49+08:00
Completing square because a, b & c are not equal to zero (0). 4xsquared-20x=11 4xsquared-20x+100=11+100 The square root of (2x-10)2 =square root of 111 2x-10= ?? Urrg. I don't know..
0
Uhm try to find the factors of 111. I think it is not perfect square. Think 2#'s na factor ng 111. Yung isang number ay DAPAT perfect square.
2016-07-29T06:53:20+08:00
4Xsquare -20 = 11
4x^2-20-11=00
Factor
(2x- )(2x- )=00
Factor
20 and 11
Choose 2 number if you multiply answer is 11 then if add answer is 20
0