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We know that

(a + b)(a b) = a2 - b2

So

a2 - b2 = (a + b) (a b)

This means that we can factor any expression of the form a2 - b2.


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Question 1/5

1. Factor 36x2 - 49y2

(7y - 6x)(7y + 6x)

(7x - 6y)(7x + 6y)

(6y - 7x)(6y + 7x)

(6x - 7y)(6x + 7y)

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