Mathematics: find the sum of these polynomials. (5x^2-4x+2)+(3x^2+9x-8)=? A. 8x^2-5x+10 B. 8x^2+5x-6 C. 8x^2-5x-6 D. 8x^2+5x+10

find the sum of these polynomials. (5x^2-4x+2)+(3x^2+9x-8)=?

Ответ:

Mochalav6675

29.01.2022

B is the answer
Explanation

If we suppose that x= 1
The equation would equals 7
And. (B) the only one that also equals 7
You can suppose any number the answer would also be the same
And am sorry if i have any mistakes with English language

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Ответ:

Bengynease2598

04.09.2021

Mathematics

6different ways.: ) 1,2,3 1,3,2 2,1,3 2,3,1 3,1,2 3,2,1

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find the sum of these polynomials. (5x^2-4x+2)+(3x^2+9x-8)=? A. 8x^2-5x+10 B. 8x^2+5x-6 C. 8x^2-5x-6 D. 8x^2+5x+10

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