Like terms

Simplify: $5x^{2}\times2x^{3}$

Consider the expression: $6x^{2}+7x+9$ (a) How many terms does it have? (b) Write down the coefficient of x. (c) Write down the constant term. (d) Is $2x^{2}a$ monomial? Explain.

Simplify: $5x^{2}+8x-3x^{2}-6x$

Simplify: $4x^{2}+5x-x^{2}-7x$

Simplify: $6x^{2}+9x-2x^{2}+3x$

Simplify: $4x+4y-3x-5y$

Simplify: $8x+6y+6x-6y$

Simplify: $5x+4y+5x-5y$

Consider the expression: $6x^{2}+8x-5$ (a) How many terms does it have? (b) Write down the coefficient of x. (c) Write down the constant term. (d) Is $9x^{2}+3a$ monomial? Explain.

Consider the expression: $6x^{2}-9x-8$ (a) How many terms does it have? (b) Write down the coefficient of x. (c) Write down the constant term. (d) Is $3x^{2}+5a$ monomial? Explain.

Consider the expression: $4x^{2}+4x-9$ (a) How many terms does it have? (b) Write down the coefficient of x. (c) Write down the constant term. (d) Is $4x^{2}a$ monomial? Explain.

Consider the expression: $3x^{2}+9x+5$ (a) How many terms does it have? (b) Write down the coefficient of x. (c) Write down the constant term. (d) Is $3x^{2}a$ monomial? Explain.