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Original Question
Please check. (-6m^2n+3mn^2-5mn+2)+(4m^2n+2mn^2-6mn-9) Answer: -2m^2n+5mn^2-11mn-7 (2x^4-3x^2+7x)-(5x^3+2x^2-3x+5) Answer: 2x^4...Asked by anonymous
Please check.
(-6m^2n+3mn^2-5mn+2)+(4m^2n+2mn^2-6mn-9)
Answer: -2m^2n+5mn^2-11mn-7
(2x^4-3x^2+7x)-(5x^3+2x^2-3x+5)
Answer: 2x^4-5x^3-5x^2+10x-5
(a-8)(a-1)
Answer: a^2-9a+8
(z+6)^2
Answer: z^2+12z+36
(5x+2y)^2
Answer: 25x^2+20xy+4y^2
Is that order okay? Does it matter?
(2x-7)(2x+7)
Answer: 4x^2-49
(-6m^2n+3mn^2-5mn+2)+(4m^2n+2mn^2-6mn-9)
Answer: -2m^2n+5mn^2-11mn-7
(2x^4-3x^2+7x)-(5x^3+2x^2-3x+5)
Answer: 2x^4-5x^3-5x^2+10x-5
(a-8)(a-1)
Answer: a^2-9a+8
(z+6)^2
Answer: z^2+12z+36
(5x+2y)^2
Answer: 25x^2+20xy+4y^2
Is that order okay? Does it matter?
(2x-7)(2x+7)
Answer: 4x^2-49
Answers
Answered by
Infinity_plus_one
Yes, your answers look correct! The order is okay. The polynomial is usually arranged so that the exponent of one variable is in increasing or decreasing order.
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