-9 √(28a^2) * 1/3 √(63a)
-9 * (2a√7) * 1/3 (3√(7a))
-6a √(49a)
-42a√a
Simplify the product.
-9 sqrt 28a^2 * 1/3 sqrt 63a
I came until -3 sqrt 49a^2 * sqrt 36a, but then I got confused...
3 answers
The answer key says -126√a.
My bad. You are correct.
I dropped a 3 after the 2nd line.
But then, you caught that when you checked my math.
Right?
I dropped a 3 after the 2nd line.
But then, you caught that when you checked my math.
Right?
1 answer