Factorise 9x2−16y2 completely.
Question
Factorise 9x2−16y2 completely.
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Solution
Sure, here is the step-by-step solution:
The given expression is 9x^2 - 16y^2.
This is a difference of squares, which can be factored as follows:
A^2 - B^2 = (A - B)(A + B)
Here, A = 3x and B = 4y.
So, 9x^2 - 16y^2 = (3x)^2 - (4y)^2 = (3x - 4y)(3x + 4y).
So, the factorised form of 9x^2 - 16y^2 is (3x - 4y)(3x + 4y).
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