Question

find the sum of 2x² + 5xy + 3x² and 3x² - 2xy - y²​

Answer 1

$\LARGE{\color{red}{\textsf{\textbf{Solution♡}}}}$

${2x}^{2} + 5xy + {3x}^{2} + {3x}^{2} - 2xy - {y}^{2}$

$= > {2x}^{2} + {3x}^{2} + {3x}^{2} + 5xy - 2xy - {y}^{2}$

$= > {2x}^{2} + {6x}^{2} + 3xy - {y}^{2}$

$= > {8x}^{2} + 3xy - {y}^{2}$