Question

#1 Simplify: (x - 8)2

A)x2 + 64
B)x2 - 16x + 64
C)x2 - 64x + 16
D)x2 - 16

#2 Multiply: (m + 7) (m - 7).

A)m2 - 49
B)m2 - 14
C)m2 - 14m + 49
D)m2 - 49m + 14

#3 Multiply: (3a + 11)(3a - 11).
A)9a2 - 22
B)9a2 - 121
C)9a2 + 121
D)9a2 - 66a + 121

#4 Simplify: (7x + 1) (7x - 1)
A)49x2 + 2
B)49x2 - 2x + 2
C)49x2 - 14x + 1
D)49x2 - 1

#5 Multiply: (9x + 6)(9x - 6).
A)81x2 - 36
B)81x2 + 12x - 36
C)18x2 - 12x + 36
D)18x2 - 12

Answer 1

you have to FOIL all of these

Answer 2

http://www.freemathhelp.com/using-foil.html