Question 29Factorise the following:(i) 9x2+4y2+16z2+12xy–16yz–24xz – InterviewSolution

1.	Question 29Factorise the following:(i) 9x2+4y2+16z2+12xy–16yz–24xz(ii) 25x2+16y2+4z2–40xy+16yz–20xz(iii) 16x2+4y2+9z2–16xy–12yz+24xz
Answer» Question 29 Factorise the following: (i) $9 x^{2} + 4 y^{2} + 16 z^{2} + 12 x y - 16 y z - 24 x z$ (ii) $25 x^{2} + 16 y^{2} + 4 z^{2} - 40 x y + 16 y z - 20 x z$ (iii) $16 x^{2} + 4 y^{2} + 9 z^{2} - 16 x y - 12 y z + 24 x z$

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