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OpenStudy (anonymous):
Did I do this correctly? 4x = ½(x^2 + 8x - 20) 4x = ½x^2 + 4x - 10 0 = ½x^2 - 10 10 = ½x^2 --- -------- ½ ½ 5 = x^2 √5 = x 2.23 = x
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OpenStudy (anonymous):
use this site: http://www.wolframalpha.com/input/?i=4x+%3D+%C2%BD%28x^2+%2B+8x+-+20%29
OpenStudy (anonymous):
i would leave it as x= (square root of) 5
OpenStudy (anonymous):
Thank you Both!
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