Question

como se resuelve este problema (x-y+z) - (2x-3y^2-z) + (x^2+y^2+z^2)

Answer 1

Heya ! Here is u r Ans >
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$(x - y + z) - (2x - 3y {}^{2} - z) + (x {}^{2} + y {}^{2} + z {}^{2} )$

$= x - y + z - 2x + 3y {}^{2} + zx {}^{2} + y {}^{2} + z {}^{2}$

$= - x - y + 2z + 4y {}^{2} + x {}^{2} + z {}^{2}$

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