Question

$( - 2x + 3y + 2z)^{2}$
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Answer 1

Step-by-step explanation:

Formula: (a-b-c)2 =a2+b2+c2-2ab-2ac+2bc

Given Values, a = 2x b = -3y c = -4z

Substitute the given values in the formula,

= (2x)2 + (-3y)2 + (-4z)2 - 2((2x)(-3y)) - 2((2x)(-4z)) + 2((-3y)(-4z))

= 4x2 + 9y2 + 16z2 + 12xy + 16xz + 24yz

HOPE IT HELPS YOU!!

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