expand the following (5x+y+2z)^2
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Answer: 25x^2+y^2+4z^2+10xy+4yz+20xz
Step-by-step explanation:
=> (5x)^2+y^2+(2z)^2+2(5x)(y)+2(y)(2z)+2(5x)(2z)
=> 25x^2+y^2+4z^2+10xy+4yz+20xz
Hope it help!!
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