karlyisaunicorn
18.12.2021 •
Mathematics
Evaluate (105-15)square
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Ответ:
14400
Step-by-step explanation:
(105-15)²
We will solve it with Identity:
(a-b)² = a²+2ab-b²
So,
105²+ 2(105)(15)+15²11025+ 2(1575) +22511025+3150+22514400Ответ: