Factorise it:- 3(x^2-5x)^2-3(x^2-5x+5)-6
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Step-by-step explanation:
3x+6-15x+2-3x+6-15x+15 -6
3x-15x+3x+15x - 6+15-6-6+15+2
6x- 14
X= 14-6
= 8
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