Question

64-9t^2 factorise using identities

Answer 1

Step-by-step explanation:

64-9t^2 = (8)^2 -(3t)^2= (8-3t)(8+3t)

Answer 2

Answer:

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Step-by-step explanation:

∵a²-b²=(a-b)(a+b)

∴64-9t²=(8)²-(3t)²

            =(8-3t)(8+3t)