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elixir [45]
3 years ago
12

(13x2+9x-4)-(12x2-2x+6) add or subtract the polynomials

Mathematics
1 answer:
bearhunter [10]3 years ago
6 0

Answer:

x^{2} +11x-10

Step-by-step explanation:

(13x^{2} +9x-4)-(12x^{2} -2x+6)

Remove the brackets and multiply the minus sign through all the numbers in the second polynomial

13x^{2} +9x-4-12x^{2} +2x-6

Rearrange in the highest order

13x^{2} -12x^{2} +9x+2x-4-6

Simplify

x^{2} +11x-10

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