factorise 36x^2 - 49(y-x) ^2
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Answer:
(6x+7x-7y)(6x-7x+7y)
Step-by-step explanation:
36x² - 49(y-x)²
= (6x)²-(7(x-y))²
=(6x²)-(7x-7y)²
=(6x+7x-7y)(6x-7x+7y)
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