3 years ago

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

Mathematics

1 answer:

Alik [6]3 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)

67^2 - 33^2 =

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

4489 - 1089 = 3400

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\quad 
\begin{cases}
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\begin{array}{llll}
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