Factorise:
(1) 4x2 +9y2 +1622 + 12xy - 24yz- 16XZ
Answers
Answered by
2
Step-by-step explanation:
(2x)²+(3y)²+(-4z)²+2*2x*3y +2*3y*(-4z)+2*2x*(-4z)
( 2x+3y-4z)²
Answered by
1
Answer:
(2x+3y-4z)(2x+3y-4z)
Step-by-step explanation:
4x2 +9y2 +16z2+ 12xy - 24yz- 16xz
=(2x)^2+(3y^2)+(-4z)^2+(2*2*3)+(2*3*-4)+(2*-4*2)
=(2x+3y-4z)^2
=(2x+3y-4z)(2x+3y-4z)
property used
(a+b+c)^2=a^2+b^2+c^2+2ab+2bc+2ca
I hope it helps
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