Question

Реши систему уравнений:

Answer 1

$\left\{{{x+y=6}\atop{x\cdot(x+y)=24}}\right.\\\left\{{{x=6-y}\atop{x\cdot(x+y)=24}}\right.\\(6-y)\cdot(6-y+y)=24\\y=2\\x=6-2\\x=4\\\left\{{{x=4}\atop{y=2}}\right.\\\left\{{{4+2=6}\atop{4(4+2)=24}}\right.\\\left\{{{6=6}\atop{24=24}}\right.\\ \left\{{{x=4}\atop{y=2}}\right.$

Answer 2

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