factorise 4 x ²+ 9 y ²+ 12 X y + 9 y z +6 z x
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Answered by
1
Answer:
4x²+9y²+16z²+12xy-24yz-16xz
= (2x)²+(3y)²+(-4z)²+2[(2x)(3y)+(3y)(-4z)+(-4z)(2x)]
=(2x+3y-4z)²
Answered by
0
Answer:
4 x ²+ 9 y ²+ 12 X y + 9 y z +6 z x
(2x+3y)²+3z(3y+2x)
(2x+3y)²-3z(2x+3y)
(2x+3y)((2x+3y)-3z) is ur answer...
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