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Practice
Simplify the expressions below.a)
m-1
m-10
m-9
m-1
b)
y25
y17
y-8
y25
c)
m2
m-1
m-3
m2
d)
m5
m11
m6
m5
e)
v4
v6
v2
v4
f)
q-2
q-7
q-5
q-2
g)
y4
y5
y1
y4
h)
r4
r10
r6
r4
i)
r-16
r-6
r10
r-16
j)
x10
x1
x-9
x10