Question

please give the, answer​

Answer 1

Answer:

hhhhgg hi hi how are four

Step-by-step explanation:

ghgfgggggfuhgf h

Answer 2

Answer:

$2a {}^{2} + 3b {}^{2} - c {}^{2} + 4a {}^{2} - 3b {}^{2} + 5c {}^{2} \\ = 2a {}^{2} + 4a {}^{2} + 3b {}^{2} + 3b {}^{2} - c {}^{2} + 5c {}^{2} \\ 6a {}^{2} + 6b {}^{2} - 6c {}^{2}$