1.1-1.8(а,г) 9-11 Хелп

Question

1.1-1.8(а,г) 9-11
Хелп

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Answer 1

1а. 5х2-5=5*х2-5*1=5(х2-1)

Comments

2b3-288b=2b*b2-2b*144=2b(b2-144)

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c3-0,25c=c*c2-0.25*c=c(c2-0.25)

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50m3-2n2m=

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=2m*25m2-2m*n2=2m(25m в квадрате-n в квадрате)

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0.04s-sa2=0.04*s-s*a2=s(0.04-a2)

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Все пока понятно?

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Да.

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48p2q-75q3=3q*16p2-3q*25q2=3q(16p2-25q2)

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16/49p2q-q3= q*16/49p2-q*q2=q(16/49p2-q2)

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Задание 4.4 б я в ступор вошла