Solve this pls a) 4x²-225=0 b) 3h²-147=0 c) (x-4)²=169 d) (k+7)²=289

1
xD hey luhaen can you solve this??? 25²=50
25²=50 isn't equal. XD
yea but its our assignment what should I answer to this equation? xD
Just put '≠' between 25²=50? xD
haha oh well I'm going to copy that answer tomorrow from my class mate haha sometimes all of has has the same source when it comes to math....math only haha........ how bout this can you solve this??? (2s-1)²=225

Answers

2014-06-08T20:47:57+08:00
A. x = 7.5
     4(7.5)² - 225 = 0
     4(56.25) - 225 = 0
      225 - 225 = 0

b. h = 7
     3(7)² - 147 = 0
     3(49) - 147 = 0
     147 - 147 = 0

c. x = 17
       (17 - 4)² = 169
        (13)² = 169
       169 = 169

d. k = 10
     (10 + 7)² = 289
      (17)² = 289
       289 = 289

:)
1 4 1
:) so no plus-minus sign?? :)
by the way thanks
what do you mean ?
"±" before the answer???