2007-10-30 18:05:32 · 9 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
(x - 3)² = 100
(x - 3) = ±10
x - 3 = 10
x = 13
x - 3 = -10
x = -7
x = {-7, 13}
2007-10-30 18:09:12 · answer #1 · answered by gudspeling 7 · 1⤊ 0⤋
x = 13
13-3 = 10
10 ^2 = 100
2007-10-31 01:08:23 · answer #2 · answered by Cinoi1551 4 · 0⤊ 0⤋
x - 3 = ± 10
x = 3 ± 10
x = 13 , x = - 7
2007-10-31 10:37:02 · answer #3 · answered by Como 7 · 0⤊ 0⤋
x=13
2007-10-31 01:07:45 · answer #4 · answered by David 5 · 0⤊ 0⤋
(x-3)^2=100
(x-3) = +/- sqrt(100) = +/- 10
2 roots of the quadratic equation:
x = 10 + 3 = 13
x = -10 + 3 = -7
2007-10-31 01:20:24 · answer #5 · answered by Shh! Be vewy, vewy quiet 6 · 0⤊ 0⤋
13?
(13-3)=10
10^2=100
2007-10-31 01:09:51 · answer #6 · answered by tgifguy79 2 · 0⤊ 0⤋
13 or -7
2007-10-31 01:18:57 · answer #7 · answered by jhandu_da 2 · 0⤊ 0⤋
Taking square root on both sides..
(x- 3) = 10
x = 13
2007-10-31 01:08:46 · answer #8 · answered by Adobe 3 · 0⤊ 1⤋
x-3=10
or, x=10+3
or, x=13
2007-10-31 01:09:21 · answer #9 · answered by Lax 2 · 0⤊ 0⤋