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MariySyslina
@MariySyslina
July 2022
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Упростите выражение (а+4)(а+2)-(а+2)^2
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alinabahytbek
(a + 4)* (a + 2) - (a + 2)^2 =
= a^2 + 2a + 4a + 8 - (a^2 + 4a + 4) =
=
a^2
+ 6a + 8 -
a^2
- 4a - 4 =
= 2a + 4 =
= 2*(a + 2).
0 votes
Thanks 0
ShirokovP
Verified answer
A^2+2a+4a+8-(a^2+4a+4)=a^2+2a+4a+8-a^2-4a-4=2a+4
1 votes
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Answers & Comments
= a^2 + 2a + 4a + 8 - (a^2 + 4a + 4) =
= a^2 + 6a + 8 - a^2 - 4a - 4 =
= 2a + 4 =
= 2*(a + 2).
Verified answer
A^2+2a+4a+8-(a^2+4a+4)=a^2+2a+4a+8-a^2-4a-4=2a+4