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wie rechnet man das (x+4)2

(25-x)2

(4a+3b)2

(12+y)(y-12)

 14.12.2014

Beste Antwort 

 #1
avatar+14538 
+5

Hallo Anonymous,

(25-x)² = 25² - 2*25*x + x² = 625 - 50x + x²     ( 2. Binom)            

(4a+3b)*2 = 8a + 6b                                          ( Klammer ausmultiplizieren )

(12+y)*(y-12) = (y+12)*(y-12) = y² - 144           ( 3. Binom )

Gruß radix !

 14.12.2014
 #1
avatar+14538 
+5
Beste Antwort

Hallo Anonymous,

(25-x)² = 25² - 2*25*x + x² = 625 - 50x + x²     ( 2. Binom)            

(4a+3b)*2 = 8a + 6b                                          ( Klammer ausmultiplizieren )

(12+y)*(y-12) = (y+12)*(y-12) = y² - 144           ( 3. Binom )

Gruß radix !

radix 14.12.2014
 #2
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0

Hilfe.

a) (x+4)2

b) (a-x)2

c) (x-5) (x+5)

d) (x+8)2

e) (b+y)2

f) (x-a) (x+a)

g) (x-12)2

h) (a+x)2

i) (3-x) (3+x)

j) (x+13)2

k) (3a+x)2

l) (6+b) (6-b)

m) (14-x)2

n) (4a+3b)

o) (a+x) (x-a)

p) (25-x)2

q) (5x+2y)2

s) (12+y) (y-12)

 14.12.2014

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