Mathematics: Find the sum of these polynomials. (x2 – x + 7) + (9x2 + 6) =

Find the sum of these polynomials. (x2 – x + 7) +

Ответ:

migos0917

14.03.2022

Hi there! The answer is B.

$( x^{2} -x+7)+(9 x^{2} +6)$
First work out the parenthesis.

$x^{2} -x+7+9 x^{2} +6$
Rearrange the expression.

$x^{2} +9 x^{2} -x+7+6$
Now collect the terms.

$10 x^{2} - x+13$
The answer is B.

~ Hope this helps you!

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Ответ:

bailey1025

05.06.2023

Mathematics

11^2 + 9^2 = c^2
121 + 81 = c^2
202= c^2
Square root(202)= square root(c)
14.213= c
Hypotenuse = 14.213

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Find the sum of these polynomials. (x2 – x + 7) + (9x2 + 6) =

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