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  • 04-08-2020
  • Mathematics
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Resolve 36x2 – 81y2 into factors

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snog
snog snog
  • 04-08-2020

Answer:

(6x + 9y)(6x - 9y)

Step-by-step explanation:

We can use the difference of squares which states that a² - b² = (a + b)(a - b), in this case, a = 6x and b = 9y so the answer is (6x + 9y)(6x - 9y).

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