Combine like terms

Simplify the expressions

-5x + 8 + 2x +70

• 3x + 78

• 7x +78

• -3x + 78

• 5x + 78 + 2x

• simplified

Select ALL the true answerS

• Like terms must have the same variable and exponent but can have different coefficients

• Like terms can have the same variable but can have different exponents and different coefficients

• Like terms can be added together

Simplify the expression

7xy + 7x+ 7 +7y + 7x -7

• 7xy + 14x

• 28xy +14

• 28xy

• 7xy + 14x + 14

• Simplified

3y +2y + 2y² +5 +y

• 2y² +6y +5

• 5y+2y² +5

• 7y +5

• 7y² + 5

What are the like terms in this expression?

7x + 8 + 9x+ 7y + 7x²

• 7x and 9x

• 7x and 7y

• 7x and 7y and 7x²

• 7x and 7x²

• 7x and 7x² and 9x

Simplify the expression

3xy +5x + 2 + 3y + x + 4

• 3xy +6x +3y+ 6

• simplified

• 8xy + 3y+ 6

• 10x +6

Combine like terms

2x + 3x +3+ 4x²+10 +x

• 4x² + 6x +13

• 9x +13

• simplified

• x=13

Combine like terms

20 + 5xy+4y² +10 + y² +xy

• 5y² + 6xy +30

• simplified

• 5y² + 5xy + 30 + xy

• 4y² + 6xy + y² + 30

Simplify by combining like terms

20 +3xy -3 +4y² +10 -2y²

• 2y² +3xy +27

• 6y² + 3xy + 33

• 2y +3xy +27

• simplified

simplify the expression

-1 - (-5x) -2x +2x² +7

• 3x+2x² +6

• simplified

• -7x +2x² +6

• -7x +2x² +8

• -3x +2x² +6