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nhathaodenden12
2 năm trước
cho 2 đa thức: P(x)= -3x^2+2x+1 Q(x)=-3x^2+x-2 a/ tính: p(-2);p(-1);p(0);p(1);p(2) q(-2);q(-1);q(1);q(2)q(0) b/tính: p(x)-q(x) p(x)+q(x) q(x)-p(x) c/ tìm x để: p(x)=q(x)
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