Bài tập toán cơ bản số 37

Created by T. Madas
Question 35
Square the following brackets.
2

= 9 z 2 − 24 z + 16

2

= 1 − 14 w + 49 w2

2

= 4 + 16 y + 16 y 2

2

= 4 − 24k + 36k 2

a)

( 3z − 4 )

b)

(1 − 7 w )

c)

(2 + 4 y)

d)

( 2 − 6k )

e)

( 5b − 1)

f)

( 5m − 4 )

2

= 25b 2 − 10b + 1
2

= 25m 2 − 40m + 16

Question 36
Square the following brackets.
2

= 64v 2 − 16v + 1

2

= 36 − 24t + 4t 2

2

= 81 + 36c + 4c 2

a)

( 8v − 1)

b)

( 6 − 2t )

c)

( 9 + 2c )

d)

(1 − 10n )

e)

( 4 x − 5)

f)

(12a + 1)

2

2

2

= 1 − 20n + 100n 2
= 16 x 2 − 40 x + 25
= 144a 2 + 24a + 1

Created by T. Madas


Created by T. Madas

DIFFERENCE
OF SQUARES

Created by T. Madas