Question

Can someone help me ​

Answer 1

9514 1404 393

Answer:

M = 7x² +21

Explanation:

Subtract the unwanted terms on the left from both sides.

(-7x² +6x -16) + M = 6x +5

M = 6x +5 -(-7x² +6x -16)

M = 7x² +21 . . . . simplify