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(2x + 5)² - (2x - 5)²
Answers
Answered by
0
Answer:
=(2x)^2+5^2+2×2x×5-((2x)^2+5^2-2×2x×5)
=4x^2+25+20x-4x^2-25+20x
=40x Answer
Answered by
0
Answer:
4×^2-10x+10x-25
step by step explanation
2x*2x-2x*5+5*2x-5*5
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