1.  remember to write you answer in standard form

2.  Use "^" to create an exponent

(5x² + 6x - 8) + (8x² - 3x)

1.  remember to write you answer in standard form

2.  Use "^" to create an exponent

(3x² - 9) + (2x² - x - 5)

1.  remember to write you answer in standard form

2.  Use "^" to create an exponent

3.  Write all subtraction as "plus a negative".

(x³ - 9x²) + (x² - 5)

1.  remember to write you answer in standard form

2.  Use "^" to create an exponent

(7x² + 9x) - (2x² - 5)

1.  remember to write you answer in standard form

2.  Use "^" to create an exponent

(12x² + 6x) - (x² - 3x+4)

1.  remember to write you answer in standard form

2.  Use "^" to create an exponent

(8x² + 3x - 2) - (10x² + 3x - 4)

1.  remember to write you answer in standard form

2.  Use "^" to create an exponent

(-4x² + x - 5) - (x² - x - 3)

1.  remember to write you answer in standard form

2.  Use "^" to create an exponent

(5x⁴+6x³-7) + (x⁵+7x⁴-6x³ - x - 3)

1.  remember to write you answer in standard form

2.  Use "^" to create an exponent

(-4x² + x - 5) - (-4x² + x - 3)

1.  remember to write you answer in standard form

2.  Use "^" to create an exponent

(-4x² + x - 5) - (x² - x - 3)