Answer:
a = 9, a = 0
Step-by-step explanation:
a1 can be solved without factoring:
- 1a*a = 9a
- a^2 = 9a
- a = 9 (divide both sides by a)
a is also 0 since both sides only contain single terms with the same variable. This can too be found by subtracting 9a to the left side and factoring!
