Bài tập Toán cơ bản số 49

Created by T. Madas
Question 23
Factorize each of the following quadratic expressions.

a) 4 x 2 − 27 x + 18
b) 6 x 2 + 7 x − 3
c) 6 x 2 − 5 x − 4
d) 6 x 2 + 19 x + 10
e) 6 x 2 + 7 x − 10
f) 6 x 2 − 13 x − 15
g) 6 x 2 − 17 x + 10
h) 6 x 2 − 13 x + 6

Question 24
Factorize each of the following quadratic expressions.

a) 6 x 2 + x − 12
b) 6 x 2 + 11x − 10
c) 8 x 2 − 10 x − 3
d) 8 x 2 + 14 x + 3
e) 8 x 2 − 5 x − 3
f) 8 x 2 − 22 x + 5
g) 8 x 2 − 6 x − 5
h) 8 x 2 + 3 x − 5

Created by T. Madas


Created by T. Madas
Question 25
Factorize each of the following quadratic expressions.

a) 12 x 2 + 7 x + 1
b) 12 x 2 + 4 x − 1
c) 12 x 2 + 5 x − 3
d) 12 x 2 − 17 x + 5
e) 12 x 2 − 7 x − 5
f) 12 x 2 + 5 x − 7
g) 12 x 2 − 16 x + 5
h) 12 x 2 − 13 x − 4

Question 26
Factorize each of the following quadratic expressions.

a) 12 x 2 − 29 x − 60
b) 21x 2 − 17 x + 2

Created by T. Madas


Created by T. Madas

SQUARING
BRACKETS

Created by T. Madas


Created by T. Madas
Question 27
Square the following brackets.

2

a)

( x + 3)

b)

( y − 9)

c)

( a + 1)

d)

( k − 6)

2

e)

(1 + w )

2

f)

(2 − v)

2

2

2

Question 28
Square the following brackets.

a)

(5 + x )

2

b)

(4 − b)

2

c)

(t + 2)

d)

( y − 5)

2

e)

(b + 7 )

2

f)

( c − 8)

2

2

Created by T. Madas