Final answer to the problem
$\int\left(d+3e\right)\left(d-3e\right)dx$
Got another answer? Verify it here!
Step-by-step Solution
1
Find the integral
$\int\left(d+3\cdot e\right)\left(d+3\cdot -e\right)dx$
2
Simplifying
$\int\left(d+3e\right)\left(d-3e\right)dx$
Final answer to the problem
$\int\left(d+3e\right)\left(d-3e\right)dx$