Bonsoir,
[tex]A=4x^2+4x+4=4(1+x+x^2)\\B=-5x^2+10x+15=5(-3+x)(1+x)\\C=9y^2-3y+27=3*(3*(3+y^2)-y)\\D=3y^3+y^2=y^2(1+3y)[/tex]
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Bonsoir,
[tex]A=4x^2+4x+4=4(1+x+x^2)\\B=-5x^2+10x+15=5(-3+x)(1+x)\\C=9y^2-3y+27=3*(3*(3+y^2)-y)\\D=3y^3+y^2=y^2(1+3y)[/tex]