What's the product of (2x2 + 9)(2x2 – 9)?
4x4 – 81
What's the product of (10x + 11)(10x – 11)?
100x2 – 121
What's the product of (3xy + y2)(3xy – y2)?
9x2y2 – y4
What is (3x + 7)2?
9x2 + 42x + 49
Find (2x4 + 8)2.
4x8 + 32x4 + 64
Find (2x – 6)2.
4x2 – 24x + 36
Find (xy – 5x)2.
x2y2 – 10x2y + 25x2
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