factorise 16x^5-144x^3
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16x×5-144x×3
80x-432x
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Step-by-step explanation:
16x^5-144x^3
x^3(16x²-144)
x^3((4x)²-12²)
Using identity: a²-b²=(a+b)(a-b)
x^3(4x+12)(4x-12)
x^3*4(x+3)*4(x-3)
16x^3(x+3)(x-3)
Just trying...
leka26:
it helped me a lot
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