Factorise 4x^2+y^2+25z^2+4xy-10 yz-20zx and find ots value when x=-1, y=2, z=3
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(2a+y+5z)2
(2×-1+2+5×3)
-2+2+15
15 is the right answer
PLEASE MARK ME BRANLIEST
(2×-1+2+5×3)
-2+2+15
15 is the right answer
PLEASE MARK ME BRANLIEST
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