Algebra Simplifying Expressions

Which expression is equivalent to (10+7r+r²) + (-6r²-18+5r)?

• -7r²+2r+8

• 7r²+12r+8

• -r²+12r-8

• 7r²+2r-8

• 20x²+36x-16

• 20x²-4x-16

• 16x²-16

• 9x²-16

• 
• 
• 
• 

• A

• B

• C

• D

• F

• G

• H

• J

• F

• G

• H

• J

Simplify the expression: 3x + 2x

• 5x
• x
• 6x
• 5

6(2x + 1) + 3

• 12x + 9
• 12x + 4
• 12x + 6
• 12x + 3

Simplify:

x²+2x+3x

• 6x

• 6x²

• x²+5x

• 7x

What are the terms for the expression 6 - 7x + 10y?

• 7x, 10y

• 6, 7x, 10y

• 6, -, 7x, +, 10y

• 6, -, +