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Le polynôme \( 4x^2+2x-12\) est divisible par
\(x-2\)
\(2+x\)
\(x-1\)
\(3+x\)
Effectuez \((2x-3)^2\)
\(4x^2+9-12x\)
\(4x^2+9-6x\)
\(2x^2+9-12x\)
\(4x^2-9\)
Effectuez \(-(1+x^3+x^2)(x-1)\)
\(x^4-x^2-x+1\)
\(x^4+2x^3+x^2+x+1\)
\(1-x+x^2+x^3\)
\(-x^4+x^2-x+1\)
Le polynôme \(x^2-6x+5\) est divisible par
\(x+3\)
\(x-3\)
\(x+1\)
\(x-5\)
L'évaluation du polynôme \(P(x)= -3x^2+x-4\) en \(x=0\) vaut
\(0\)
\(-3x^ 2+x\)
\(-4\)
\(4\)
Effectuez \((xy-1)^2\)
\(x^2y^2-1-2xy\)
\(x^2y^2+1-2xy\)
\(x^2y^2+1-xy\)
\(x^2y^2-1\)
Factorisez \( (x+y)(3a+2)-(x+y)\)
\((x+y)(3a+1)\)
\((x+y)^2(3a+2)\)
\(3a+2\)
\(3ax+x+3ay+y\)
Le quotient du polynôme \(x^4+3x^3-7x^2-27x-18\) par \(x+1\) vaut
\(x^4+4x^3-3x^2-30x-48\)
\(x^3+4x^2-3x-30\)
\(x^3+2x^2-9x-18\)
Factorisez \(x^8-x\).
\(x(x^7-1)\)
\(x^7-1\)
\(x(x-1)^7\)
\(x(x^3-1)(x^4-1)\)
\((\sqrt{2}-1)^3=\)
\(5\sqrt{2}-7\)
\(2\sqrt{2}-1\)
\(6\sqrt{2}-7\)
\(7-5\sqrt{2}\)
