emilyegonzalez18 emilyegonzalez18

08-07-2020
Mathematics

contestada

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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milgamingpro milgamingpro

08-07-2020

Answer:

B: 8x^2+5x-6

Step-by-step explanation:

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elaphadnan98 elaphadnan98

08-07-2020

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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