Find the value of \[25{{x}^{2}}+10xy-{{y}^{2}},\] when \[x=4\]and \[y=1.\]

Find the value of \[25{{x}^{2}}+10xy-{{y}^{2}},\] when \[x=4\]and \[y=

1.	Find the value of \[25{{x}^{2}}+10xy-{{y}^{2}},\] when \[x=4\]and \[y=1.\]
A.	400
B.	440
C.	439
D.	441
Answer» D. 441

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Find the value of \[25{{x}^{2}}+10xy-{{y}^{2}},\] when \[x=4\]and \[y=1.\]

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