solve for x: x squared -7x-11=0 would the answer be 2 +/- the square root of 11 all over two?

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2007-07-11 14:58:19 · 3 answers · asked by lzhnyk 1 in Science & Mathematics ➔ Mathematics

x^2 - 7x - 11

x = [7 +/- (49 + 44)^(1/2)]/2

x = [7 +/- (93)^1/2]/ 2

2007-07-11 15:01:35 · answer #1 · answered by Anonymous · 0⤊ 0⤋

x² - 7x - 11 = 0
x = [ 7 ± √(49 + 44) ] / 2
x = [ 7 ± √93 ] / 2

2007-07-11 21:18:35 · answer #2 · answered by Como 7 · 0⤊ 0⤋

x^2-7x-11=0
use the formula
x= [-b+-sqrt(b^2-4ac)] /2a
x= [7+-sqrt(49+44)] /2

x= (7+- sqrt93) /2

2007-07-11 17:03:06 · answer #3 · answered by sweet n simple 5 · 0⤊ 0⤋