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Mathematics 12 Online
OpenStudy (anonymous):

Find the sum: (3x^2 + 5x − 8) + (5x^2 − 13x − 5)

OpenStudy (jdoe0001):

\(\bf (3x^2 + 5x - 8) + (5x^2 - 13x - 5) \\ \quad \\ \implies 3x^2 + 5x - 8+5x^2 - 13x - 5 \\ \quad \\ \implies {\color{olive}{ 3x^2 +5x^2}}{\color{purple}{ + 5x - 13x}}- 8 - 5\)

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