please show steps! Thanks!
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5(x-1)^4 + 3(x-1)^2 = (x-1)^2 [ 5(x-1)^2 + 3 ]
= (x-1)^2 [ 5(x^2 -2x +1) + 3 ]
= (x-1)^2 (5x^2 -10x +8)
= (x-1)^2 [ 5(x^2 -2x +1) + 3 ]
= (x-1)^2 (5x^2 -10x +8)
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( x-1)^2 ( 5(x-1)^2 + 3)
( x-1)^2 ( 5x^2-10x +8) ANSWER
( x-1)^2 ( 5x^2-10x +8) ANSWER
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(x-1)^2 is HCF