Question

if x X (y-z) is zero, then y = z​

Answer 1

$x(y - z) = 0 \\ given \: y = z \\ = > x(z - z) = 0 \\ = > x \times 0 = 0 \\ = > 0 = 0 \\ lhs = rhs$

Answer 2

X (y-z) =0

Given y=z

X(z-z) =0

x ☓ 0=0

0=0

Lhs=rhs