Question

12x3 + 8x2 + 4x
2. 12x2 - 7x - 10
3. 12x2 + 50xy + 8y2
4. 2x3 - 5x2y + xy2 + 2y3
5. 2x3 - 4x2y + xy2 - 2y3

a. Simplify (2x2 + y2)(x - 2y) = ?
b. Simplify (6x + y)(2x + 8y )= ?
c. Simplify (2x + y)(x2 -3xy + 2y 2 ) = ?
d. Simplify (3x + 2)(4x - 5) = ?
e. Simplify 4x(3x2+2x+1) = ?

Answer 1

1. 12x3 + 8x2 + 4x
2. 12x2 - 7x - 10
3. 12x2 + 50xy + 8y2
4. 2x3 - 5x2y + xy2 + 2y3
5. 2x3 - 4x2y + xy2 - 2y3

a. Simplify (2x2 + y2)(x - 2y) = ?
b. Simplify (6x + y)(2x + 8y )= ?
c. Simplify (2x + y)(x2 -3xy + 2y 2 ) = ?
d. Simplify (3x + 2)(4x - 5) = ?
e. Simplify 4x(3x2+2x+1) = ?

Answer 2

matching help

Answer 3

please help

Answer 4

please help

Answer 5

Still there? All you need to do is distribute the term outside the parenthesis to every term within the parenthesis. Do you know how to do that?

Answer 6

so a goes to 5.

Answer 7

b goes to 3.

Answer 8

c goes to four.

Answer 9

d goes to 2.

Answer 10

And e goes to 1 obviously.