Plz solve my questions.
I have attached The question paper.
I will mark you brainlist.
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Answer:
9x³-6x²+6x-7+?=6x³-3x³-x+1
let "?" be x
so 9x³-6x²+6x-7+x=6x³-3x³-x+1
=9x³-6x²+6x+x=6x³-3x³-x+1-7
=9x³-6x²+7x=6x³-3x³-x-6
=9x³-6x²+7x=3x³-6-x
=9x³-6x²=3x³-6-x-7x
=9x³-6x²=3x³-6-8x
=-3x³+9x³-6x²=-6-8x
=6x³-6x²=-6-8x
=216x-36x=6-8x
=180x=6-8x
=8x+180x=-6
=188x =-6
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