Предмет: Алгебра, автор: Аноним

Разложите на множители  крадратный трёх член 
x^2-14x+45

Ответы

Автор ответа: OSMANOVA
0
x^2-14x+45
d=b^2-4ac=196-180=16
X1,2=(14+-4)/2
X1=(14+4)/2=18/2=9
X2=(14-4)/2=10/2=5

X1=9  ,   X2=5
X^2-14X+45=(X-9)(X-5)


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