28.
F actor
e ach
o f
t he
f ollowing
c ompletely.
−16
+ 3x
− 2x
−11x − 6
− 25x
(a)
4x
(b)
3x
(c)
2x
(d)
x
2
3
2
2
3
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29.
S olve
t he
f ollowing
= 20
(b)
−4 + x
= 104
(a)
5x
2
2
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30.
S olve
t he
f ollowing
s ystems
o f
e quations
u sing
t he
m ethod
o f
y our
c hoice.
1
1
3y = −5x + 30
6x − 3y = 6
x +
y = 0
(a)
(b)
(c)
3
2
y = −x + 6
y − 4 = 2x
y − 6 + 2x = 0
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