IMathAS-libretexts

The expression

\displaystyle {\left({5}{x}^{{2}}+{4}{x}+{6}\right)}+{\left({3}{x}^{{2}}-{7}{x}-{4}\right)}

equals

\displaystyle {x}^{{2}}+

\displaystyle {x}+

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Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity

Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity

Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity