Exercise
(x2+2y)2−(x2−2y)2
Step-by-step Solution
Intermediate steps
1
Expand (x2−2y)2
(x2+2y)2−(x4−4x2y+(−2y)2)
2
Simplify the product −(x4−4x2y+(−2y)2)
(x2+2y)2−x4−(−4x2y+(−2y)2)
3
Simplify the product −(−4x2y+(−2y)2)
(x2+2y)2−x4+4x2y−(−2y)2
Final answer to the exercise
(x2+2y)2−x4+4x2y−(−2y)2