Question

Solve 25x^2+y^2+9z^2-10xy-6yz+30xz

Answer 1

Answer:

(5x) ^2 + (-y )^2 + (3z ) ^2 +2(5x) (-y) + 2 (-y ) (3z ) + 2 (3z ) (5x)

x^2+ y^2 + z ^2 +2xy +2 yz +2 zx =

(x+y+z ) ^2

( 5 x + (-y ) + 3z ) ^2

( 5x -y + 3z ) ^2

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