Verified Answer :

wolf1728

I think you mean 8x^2 + 7 =0
a = 8 b = 0 c = 7
x= [-b +- square root (b^2 - 4ac)] / 2a
x = [0 +-  square root (0 - 487)] / 28
x = +- square root (-224) / 16
x = +-



14.9666295471 i



/ 16
x = +



0.9354143467



i
x = -

0.9354143467



i

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