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OpenStudy (anonymous):
Multiply (2x - 5y)^2
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OpenStudy (anonymous):
2x^2- 2x*5y*2+5y^2
OpenStudy (lalaly):
(2x-5y)(2x-5y) = 4x^2 -10xy-10xy +25y^2 = 4x^2 -20xy+25y^2
OpenStudy (aroub):
(2x)^2 - 2(2x)(5y)+ (5y)2 4x^2 -20xy+25y^2
OpenStudy (anonymous):
1st term ^2 + 2* 1st term * 2nd term + 2nd term ^2
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