разложите множтели на многочлен 1.3(2х+5)+х(5+2х)2.5а(х-у)+3(х-у)
1 3(2х+5)+х(5+2х)=6х+15+5х+2х²=2х²+(6х+5х)+15=2х²+11х+152 5(х-у)+3(х-у)=5х-5у+3х-3у=(5х+3х)+(-5y-3y)=8x-8y
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1 3(2х+5)+х(5+2х)=6х+15+5х+2х²=2х²+(6х+5х)+15=2х²+11х+15
2 5(х-у)+3(х-у)=5х-5у+3х-3у=(5х+3х)+(-5y-3y)=8x-8y