Question

subtract a²-7b²+c² and -5a² - 2b²+6c²​

Answer 1

HOPE THIS WILL HELP YOU

Step-by-step explanation:

${a}^{2} - {7b}^{2} + {c }^{2} \\ { - 5a}^{2} { - 2b}^{2} + {6c}^{2} \\ - - - - - - \\ ( + )( + )( - ) \\ - - - - - - \\ {6a}^{2} - {5b}^{2} - {5c}^{2}$