how to factorise the following expression using a^2-b^2 :4x^3-81x
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Answered by
1
Answer:
Sorry I can't solve this type of question because it contain errors
Answered by
0
Answer:
x(8x+9)(8x-9)
Step-by-step explanation:
64x³-81
x(64x²-81)
x(8x)²-(9)²
x(8x+9)(8x-9)
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