x² + x - 289 = 0 how to solve it ???
wardahd1234:
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X^2+X-289=0
D=1-(-289)
1+289=290
x= (-1-√290)/2
x=(-1+√290)/2
D=1-(-289)
1+289=290
x= (-1-√290)/2
x=(-1+√290)/2
Is it right?
ya
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