Question

Multiplication Property of Negative One
Prove that -1x X= -X

Answer 1

a.\[-1\times x +x=-1\times x+ 1\times x\]
b.\[=(-1+1)(x)\]
c.\[=0\times x\]
d.
=0
e.
\[=-x+x\]
f.\[\therefore -1 \times x + x = - x +x\]

g.\[\therefore -1 \times x= -x\]

Answer 2

could anyone help me w/ the reasons for this??? like mult. prop. of = or sth...