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Multiplication of expressions 3
Contributed by: McDermott
Multiply (x+5)(x-5)
So the answer is 
X
-5
-5X
?
X2
?
 x2 - 25
?
X
+5X
?
 - 25
?
+5
Multiply (x+8)(x-8)
So the answer is 
-8
X
 - 8X
?
 X2
?
  x2 - 64
?
X
 + 8X
?
 - 64
?
+8
Multiply (x+6)(x-6)
So the answer is 
X
-6
 - 6X
?
 X2
?
  x2 - 36
?
X
 + 6X
?
 - 36
?
+6
Multiply (x+3)(x-3)
So the answer is 
X
-3
-3X
?
X2
?
 x2 - 9
?
X
+3X
?
 - 9
?
+3
Multiply (x+7)(x-7)
So the answer is 
X
-7
 - 7X
?
 X2
?
  x2 - 49
?
X
 + 7X
?
 - 49
?
+7
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