To answer this, just combine like terms:
4A x 4A = 16A²
5B x (-5B) = -25B²
So, the answer is D) 16A² - 25A²!
your answer would be D.
4a (4a) + 4a (-5b) + 5b (4a) + 5b (-5b) it is simplified to 16a^2-25b^2
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