Ответ:
а)=t^2-2×t×5+5^2
=(t-5)^2
b)x^2+2x-5x-10
x×(x+2)-5(x+2)
(x+2)×(x-5)
в)=3х^2-3х-5х+5
3х×(х-1)-5(х-1)
(х-1)×(3х-5)
n)=-(x-4)×(x+2)
д)=(4х-3)×(4х+3)
е)=-а×(5а-8)
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Ответ:
а)=t^2-2×t×5+5^2
=(t-5)^2
b)x^2+2x-5x-10
x×(x+2)-5(x+2)
(x+2)×(x-5)
в)=3х^2-3х-5х+5
3х×(х-1)-5(х-1)
(х-1)×(3х-5)
n)=-(x-4)×(x+2)
д)=(4х-3)×(4х+3)
е)=-а×(5а-8)