Factoring Trinomials

What is a method of checking your work when factoring?

• FOIL
• asking the teacher every time
• assume you're correct
• division

What is the GCF of 10a²b³ and 20a²b²?

• 20a²b³
• 10a²b³
• 20ab²
• 10a²b²

• 2n²(4n-1)

• 2n²(4n + 1)

• n²(8n+2)

• 3n(4n+1)

Factor x² + 4x - 32

Be sure to use parenthesis when you enter your answer.

Factor x² + 9x - 36

• (x + 12)(x - 3)

• (x + 9)(x - 4)

• (x - 12)(x + 3)

• (x - 9)(x - 4)

Factor n² + 5n - 6

• (n - 2)(n - 3)

• (n - 1)(n + 6)

• (n + 1)(n - 6)

• (n + 2)(n - 3)

Factor:
x² + 7x - 30

• (x + 10)(x - 3)

• (x - 10)(x + 3)

• (x + 10)(x + 3)

• (x + 10)(x - 3)

Factor x² - 5x - 36

• (x - 4)(x + 9)

• (x - 6)(x + 6)

• (x + 4)(x - 9)

• (x -12)(x + 3)