Question

factorise using the suitable identity 4x² +y² +25z² +4xy -10yz -20xz and hence evaluate for x=3 , y=2 and z =-2. Pls give the Full solution.​

Answer 1

Answer:

4(9)+4+2(5)4+4(3)(2)-10(3)(-2)-20(3)(-2)

Step-by-step explanation:

36+4+40+26+60+120=286