what should be subtracted from 4 x cube + 8 x square + 8 x + 7 to make it divisible by 2 x squared minus 5 + 1

what should be subtracted from 4 x cube + 8 x square + 8 x + 7 to make

1.	what should be subtracted from 4 x cube + 8 x square + 8 x + 7 to make it divisible by 2 x squared minus 5 + 1
Answer» 2x²-5+1=0 (SUPPOSE) 2x²-4=0 2x²=4 x²=2 x=√2 (eq¹) From REMAINDER Theorem, 4x³+8x²+8x+7 =0 (suppose) =8√2+16+8√2+7=0 =16√2+21. ≠0 We must subtract 16√2+21 from the polynomial to make it divisible by the DIVIDENT.

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what should be subtracted from 4 x cube + 8 x square + 8 x + 7 to make it divisible by 2 x squared minus 5 + 1

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