Объяснение:
x²-11x+24
x1+x2=-b/a=-(-11/1)=11
(x1+x2)²=121
x1²+2x1x2+x2²=121
x1²+x2²=121-2x1x2
x1x2=c/a=24/1=24
x1²+x2²=121-24=97
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Объяснение:
x²-11x+24
x1+x2=-b/a=-(-11/1)=11
(x1+x2)²=121
x1²+2x1x2+x2²=121
x1²+x2²=121-2x1x2
x1x2=c/a=24/1=24
x1²+x2²=121-24=97