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riadik2000 [5.3K]
2 years ago
8

URGENT!!! Can someone please answer these 2 questions and show the working out?

Mathematics
1 answer:
Alik [6]2 years ago
4 0

A) Factor using the difference of squares formula: a^2 - b^2 = (a+b) (a-b)

a = X and B = 33

(x+33) (x-33)

b)

67^2 - 33^2 =

(67 * 67) - (33 * 33) =

4489 - 1089 = 3400

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