subtract 3x^2+4x-9 from 9x-4x^2+8 In horizontal method brief explanation who to write whole answer
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subtract 3x^2+4x-9 from 9x-4x^2+8 In horizontal method brief explanation who to write whole answer
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Step-by-step explanation:
subtract first
put () after -
write answer in descending way(bigger to smaller)