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\((2x+1)^3=\)
\(4x^2+4x+1\)
\(8x^3+1\)
\(8x^3+12x^2+6x+1\)
\(8x^3+6x^2+6x+1\)
Effectuez \(-(1+x^3+x^2)(x-1)\)
\(x^4-x^2-x+1\)
\(x^4+2x^3+x^2+x+1\)
\(1-x+x^2+x^3\)
\(-x^4+x^2-x+1\)
\((\sqrt{2}-1)^3=\)
\(5\sqrt{2}-7\)
\(2\sqrt{2}-1\)
\(6\sqrt{2}-7\)
\(7-5\sqrt{2}\)
Le polynôme \(x^2-6x+5\) est divisible par
\(x+3\)
\(x-3\)
\(x+1\)
\(x-5\)
\((2x-1)(2x+1)=\)
\(4x^2-4x+1\)
\(4x^2-1\)
\(4x^2+1\)
\(2x^2-1\)
\(4x^2-9y^2=\)
\((4x-9y)(4x+9y)\)
\((2x-3y)(2x+3y)\)
\((2x-3y)^2\)
\(-5x^2y^2\)
Factorisez \(2a(x-y)-3b(x-y)\)
\((x-y)^2(2a-3b)\)
\(2ax-2ay-3bx+3by\)
\((x^2-y^2)(2a+3b)\)
\((x-y)(2a-3b)\)
Le polynôme \( 4x^2+2x-12\) est divisible par
\(x-2\)
\(2+x\)
\(x-1\)
\(3+x\)
Le reste de la division de \(3x^2-5x+3\) par \(x+2\) vaut
\(-2\)
\(3x-11\)
\(5\)
\(25\)
Effectuez \((x+3y)+(2x-5y)-(4x+2y)\)
\(-(x+4y)\)
\(-x\)
\(-5xy\)
\(-(x-4y)\)
