Объяснение:
a)10x²+10xy+5x+5y=(10x²+10xy)+(5x+5y)=
10x(x+y)+5(x+y)=(x+y)(10x+5)
б)3а(х+у)+х+у=3ах+3ау+х+у=(3ах+3ау)+(х+у)=3а(х+у)+(х+у)=(х+у)3а
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Объяснение:
a)10x²+10xy+5x+5y=(10x²+10xy)+(5x+5y)=
10x(x+y)+5(x+y)=(x+y)(10x+5)
б)3а(х+у)+х+у=3ах+3ау+х+у=(3ах+3ау)+(х+у)=3а(х+у)+(х+у)=(х+у)3а