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roots of x^2-2x-15=0 roots of x^2-2x-15 zeros of x^2-2x-15 integral positive root of x^2-2x-15 what are the roots of x^2-2x-15=0 find the zeros of x^2-2x-15 find the zeros of x^2-2x-15=0 how to find the roots of x^2-2x-15=0 roots of x^2-8x+15 find the roots of the quadratic equation x^2+2x-15=0
