Answer: x = 0 and x = 7
Step-by-step explanation:
9x^2 - 63x = 0.
We can factor out 9x from both terms on the left side:
9x(x - 7) = 0.
To be equal to 0, one of the terms has to be 0.
Therefore, either 9x = 0 or x - 7 = 0.
First, we solve the case where 9x = 0.
Then, x = 0.
Second, we solve the case where x - 7 = 0.
We add 7 to both sides:
So, x = 7
