x^2+100=289-X^2?

1 ⤊

Can you help me solve for x and please go step by step on the steps for solving for x.

2007-01-16 13:08:05 · 3 answers · asked by BENNETH[[98]] 2 in Science & Mathematics ➔ Mathematics

x^2 + 100 = 289 - x^2
2x^2 = 289 - 100 (grp the x^2 together)
2x^2 = 189
x^2 = 94.5
x = sqrt 94.5 = 9.721

2007-01-16 14:02:53 · answer #1 · answered by Anonymous · 1⤊ 0⤋

X^2 + 100 = 289 - X^2

X^2 + X^2 =289 -100

2X^2 = 189

X^2=189/2

X = the square root of 189/2

2007-01-16 21:21:32 · answer #2 · answered by cartiphilus 4 · 0⤊ 0⤋

2X^2 = 189
x^2 = 94.5
X = 9.72

2007-01-16 21:16:55 · answer #3 · answered by ocean 3 · 0⤊ 0⤋