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Paha777 [63]
3 years ago
15

1. (a+2)²

Mathematics
2 answers:
myrzilka [38]3 years ago
6 0

Answer:

a² + 4a + 4

Step-by-step explanation:

(a + 2) ² = (a + 2) ( a + 2)

= a ( a + 2) + 2 ( a + 2)

= a² + 2a + 2a + 4

= a² + 4a + 4

krok68 [10]3 years ago
6 0

huh? sorry idont know the answer

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−4(3m−3)+(−10+8m)=?
Valentin [98]
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*note negative times a negative equals positive and negative times positive is negative 
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3 years ago
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alexandr402 [8]

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