What is the difference of the two polynomials? (9x2 + 8x) – (2x2 + 3x)

Asked by maham237 @ 20/12/2020 in Mathematics viewed by 319 People

7x2 + 5x 7x2 + 11x 11x2 + 5x 11x2 + 11x

Answered by maham237 @ 20/12/2020

we have

$(9x^{2}+8x)-(2x^{2}+3x)$

Step 1

Eliminate the parenthesis

$(9x^{2}+8x)-(2x^{2}+3x)=9x^{2}+8x-2x^{2}-3x$

Step 2

Group terms that contain the same variable

$9x^{2}-2x^{2}+8x-3x$

Step 3

Combine like terms

$7x^{2}+5x$

therefore

the answer is

$7x^{2}+5x$

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