Loading...
Special Products 2
A
B
C
Result
. . . .

Multiply, and then choose your answer.

1. ( a−b+2c )( a−b−2c )
a 2 −2ab− b 2 −4 c 2
a 2 −2ab+ b 2 −4 c 2
a 2 −2ab− b 2 −4 c 2
none of the choices
Answer: a 2 − 2 a b + b 2 − 4 c 2
2. ( 3p−q−r )( 3p+q+r )
9 p 2 − q 2 −2qr− r 2
9 p 2 − q 2 +2qr− r 2
9 p 2 + q 2 −2qr+ r 2
none of the choices
Answer: 9 p 2 − q 2 − 2 q r − r 2
3. ( x−3y+2z ) 2
x 2 −9 y 2 +4 z 2 −6xy+4xz−12yz
x 2 −9 y 2 −4 z 2 −6xy−4xz−12yz
x 2 +9 y 2 +4 z 2 −6xy+4xz−12yz
none of the choices
Answer: x 2 + 9 y 2 + 4 z 2 − 6 x y + 4 x z − 12 y z
4. ( 3a+b )( 3a−b )( 9 a 2 + b 2 )
81 a 4 − b 4
81 a 4 + b 4
81 a 4 −18 a 2 b 2 + b 4
none of the choices
Answer: 81 a 4 − b 4
5. ( 3a+b )( 3a−b )( 9 a 2 − b 2 )
81 a 4 + b 4
81 a 4 −18 a 2 b 2 + b 4
81 a 4 − b 4
none of the choices
Answer: 81 a 4 − 18 a 2 b 2 + b 4
0
/ 5