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McMillan1
@McMillan1
July 2022
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Розкласти на множники:
1) 9а^2+24а+16
2)-2а^2+8ав-8в^2
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Answers & Comments
belcatya
9а^2+24а+16=(3a)²+2(3a)*4+4²=(3a+4)²
-2а^2+8ав-8в^2=-2(
а^2-4ав+4в^2
)=-2(a²-2a(2b)+(2b)²)
=-2(a-2b)²
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Answers & Comments
-2а^2+8ав-8в^2=-2(а^2-4ав+4в^2)=-2(a²-2a(2b)+(2b)²)=-2(a-2b)²