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(d) 4x2 +9y2+162 + 12xy-24yz_ 16xz |
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Answer» 4x*x + 9y*y + 16z*z + 12xy - 24yz - 16xz = (2x)(2x) + (3y)(3y) + (-4z)(-4z) + 2(2x)(3y) + 2(3y)(-4z) + 2(-4z)(2x) = (2x+3y-4z)(2x+3y-4z) 4 x square + 9 y square + 16 + 12 - 2 Y Z - 16 ZX |
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