How to solve:
Simplify:
(x
2
y
3
)
5
x
5
y
-8
Distribute the outer exponent::
x
10
y
15
x
5
y
-8
.
Collect terms with like bases together::
x
10
x
5
y
15
y
-8
.
Add the exponents of the terms with like bases:
x
15
y
7
.
Here's one to try:
(Starts timer)
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