1.

-b*c %2B a*(b*x^2) %2B x*(-a*c %2B b^2)=0

Answer»

abx^2 + (b^2 - ac)x - bc = 0abx^2 - acx + b^2x - bc = 0ax(bx - c) + b(bx - c) = 0(ax +b)(bx - c) = 0x = - b/a, c/b



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