NEEDED ASAP !! For each pair of expressions, identify whether the expressions are equivalent. Write YES or NO, and justify your answer with math or words.
a)
and
1 1
+
y
x+y
b) x² + x
and
x3
c) 3x – 12
and
x - 4
d) -2(x - 3)
and
- 2x - 3
e) 5x2
and
x² + 4x²
f) x(y+z)
and
xy + 2x