Question

( 2 x - 3 y + 5 z) ^ { 2 } - ( x - 2 y + 3 z ) ^ { 2 }
resolve into factors​

Answer 1

Answer:

(2x+3y+5z)

2

=(2x)

2

+(3y)

2

+(5z)

2

+2(2x)(3y)+2(3y)(5z)+2(5z)(2x)

=4x

2

+9y

2

+25z

2

+12xy+30yz+20zx