Question

Factorise
3. 4x² +9y² +162² + 12xy – 24yz – 162X
4. 9x² +16y² + 4z2 – 24xy + 16yz – 12xz
5. 25x² + 4y? +9Z2 – 20xy - 12yz + 30xz
6. 16x² + 4y² + 922 – 16xy - 12yz + 24xz​

Answer 1

Answer:

3. (2x+3y+4z)^2

4. (-3x+4y+2z)^2

5. (5x-2y+3z)^2

6. (4x-2y+3z)^2

Answer 2

Answer:

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