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Descompuneti in factori , dand factorul comun:

a) √32x²y²-√50x³y²+√72x²y³-√200x³y³=
b) √150x[tex]^4[/tex]y²-√24x²y[tex]^4[/tex]+√96x³y³=
c) 36x[tex]^5[/tex]y³z²-27x[tex]^4[/tex]y²z³-63x³y³z³=
d) 75x²y³z[tex]^4[/tex]-50x³y²z²-100x[tex]^4[/tex]y³z²=


Răspuns :

a) √32x²y²-√50x³y²+√72x²y³-√200x³y³=
=4√2x²y²-5√2x³y²+6√2x²y³-10√2x³y³=
=√2x²y²(4-5x+6y-10xy)

b) √150x⁴y²-√24x²y⁴+√96x³y³=
=5√6x⁴y²-2√6x²y⁴+4√6x³y³=
=√6x²y²(5x²-2y²+4xy)

c) 36x⁵y³z²-27x⁴y²z³-63x³y³z³=
=
9x³y²z²(4x²y-3xz-7yz)

d) 75x²y³z⁴-50x³y²z²-100x⁴y³z²=
=
25x²y²z²(3yz²-2x-4x²y)





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