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tArEa kArLa pAoLa MeDiNa ORnElAs tUrNo mAtUtInO nL..29

1)17X^4 + 18X^3 -36 X^2+72=

=18x(x2-2x+4)

2)9x-81=

=9(x-9)

3)49z+90 =

=45(z+2)

4)44X^3+22 X^2+11x=

=11x(4x2+2x+1)

5)36 X^2+12x+4=

6)9x5+27x9+81x3+30x2

=9x(4x+3x8+9x2

7)21x4+7x2+28x=

=7x(3x+x+4)

8)64x16+32x8+4x4+16=

=4(16x16+8x8+x4+4

9)3x3(x+2)-5x(x+2)=

=(3x3+6x2)-(5x2+10x)

10)35(z+2y)+28z(z+2y)=

=(35z+70y)(28z+50zy)