Question

(-3x+y+z)² expanded form
step by step plz ​

Answer 1

Answer:

(a+b+c)^2 = a^2+b^2+c^2+2ab+2bc+2ca

Step-by-step explanation:

Hence;

=(-3x)^2 + y^2 + z^2 + 2(-3x)(y) + 2(y)(z) + 2(z)(-3x)

=9(x)^2 + y^2 +z^2 - 6xy +2yz - 6xz

where; a= -3x , b= y , c= z.