What is 8x squared +7=0 using the quadratic formula

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23-02-2017
Mathematics

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What is 8x squared +7=0 using the quadratic formula

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wolf1728 wolf1728 · Answer 1 · 2017-02-23T04:06:22+01:00

wolf1728 wolf1728

23-02-2017

I think you mean 8x^2 + 7 =0
a = 8 b = 0 c = 7
x= [-b +- square root (b^2 - 4*a*c)] / 2a
x = [0 +- square root (0 - 4*8*7)] / 2*8
x = +- square root (-224) / 16
x = +- 14.9666295471 * i / 16
x = + 0.9354143467 i
x = - 0.9354143467 i

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