Question

(3x + ky + z)2 = 9x2 + k_y2 + 22 - 12xy + 4yz + 6xz
What is te​

Answer 1

Answer:

actorise c. 9x2 + 4y2 + z2 - 12xy + 4yz - 6xz. 2. See answers ... Here is the answer: ... (-3x)^2+(2y)^2+(z)^2+ 2(-3x)(2y)+2(2y)(z)+2(-3x)(z)

Step-by-step explanation: