x² + 6x + 9
What is ( x + 3 )(x + 3)?
x² + 8x +15
What is (x + 3)(x + 5)?
x² + 3x - 28
What is (x + 7)(x - 4)?
x² - 14x + 48
What is (x - 8)(x - 6)?
x² - x − 20
What is (x − 5)(x + 4)?