Bài tập toán cơ bản số 06

Created by T. Madas
Question 15
Factorize each of the following quadratic expressions.

a) x 2 − 3 x − 40
b) x 2 − 14 x + 24
c) x 2 + 13 x + 36
d) x 2 − 17 x + 42
e) x 2 + 18 x + 45
f)

x 2 + 14 x + 40

g) x 2 − 19 x + 48
h) x 2 − 8 x − 48

Question 16
Factorize each of the following quadratic expressions.

a) x 2 − 14 x + 45
b) x 2 − 15 x + 50
c) x 2 + 6 x − 40
d) x 2 − 30 x + 56
e) x 2 − 9 x − 52
f)

x 2 + 4 x − 45

g) x 2 + 15 x + 56
h) x 2 + 37 x − 360

Created by T. Madas


Created by T. Madas
Question 17
Factorize each of the following quadratic expressions.

a) 2 x 2 − 5 x + 3
b) 2 x 2 − 11x + 15
c) 3 x 2 − 10 x + 8
d) 2 x 2 − x − 10
e) 3 x 2 + 11x + 6
f) 3 x 2 − 8 x + 4
g) 5 x 2 + 6 x − 8
h) 2 x 2 − 9 x − 18

Question 18
Factorize each of the following quadratic expressions.

a) 3 x 2 − 5 x − 12
b) 5 x 2 + 19 x − 4
c) 3 x 2 − 16 x + 5
d) 3 x 2 − 11x + 6
e) 3 x 2 + x − 4
f) 3 x 2 + x − 2
g) 2 x 2 + 7 x + 5
h) 3 x 2 + 11x − 4

Created by T. Madas