Question

simplify the following
$(xy + yz)^2 - 2x^2 y^{2}z \\ \\ when \: x = (- 1) \: y = 1 \: z = 2$


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Answer 1

Answer:

HEY MATE HERE IS YOUR ANSWER :

$(xy + yz) {}^{2} - 2x {}^{2} y { }^{2}z$

$x = - 1 \\ y = 1 \\ z = 2$

$( - 1 \times 1 + 1 \times 2) {}^{2} - 2 \times - 1 \times - 1 \times 1 \times 1 \times 2$

$2 - 2 \times 2 = - 2$

HOPE IT HELPS YOU

MARK AS BRAINLIEST

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