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(9x^4-9x^3-7)-(9x^2… - QuestionCove
OpenStudy (anonymous):

(9x^4-9x^3-7)-(9x^2-x+8)

5 years ago
OpenStudy (anonymous):

9x^4-9x^3-9x^2-15

5 years ago
OpenStudy (anonymous):

just open the bracket

5 years ago
OpenStudy (anonymous):

\[9x^4-9x^3-9x^2-15\]

5 years ago
OpenStudy (anonymous):

do u want the roots of this polynomial ?

5 years ago
OpenStudy (anonymous):

do i change the signs of the second polynomial?

5 years ago
OpenStudy (anonymous):

in this case + becomes - and - becomes + after u open the braces on the right

5 years ago
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