Factor Trinomials with a = 1

Factor
3a² + 4a + 1

• (7a-10)(a-8)

• Not factorable

• (3a+1)(a+1)

• (3a-1)(a-1)

What is a method of checking your work when factoring?

• FOIL

• asking the teacher every time

• assume you're correct

• division

Factor
a² - a - 12

• (a - 4)(a + 3)

• (a + 6)(a - 4)

• (a - 6)(a + 4)

• (a + 4)(a - 3)

Factor:
x² + 7x - 30

• (x + 10)(x - 7)

• (x - 10)(x + 3)

• (x + 10)(x + 3)

• (x + 10)(x - 3)

• (x - 12)(x - 3)

• (x + 3)(x + 12)

• (x + 12)(x - 3)

• (x + 3)(x - 12)

• (x - 7)(x + 4)

• (x - 4)(x - 7)

• (x - 4)(x + 7)

• (x + 4)(x + 7)

• (x + 5)(x + 5)

• (x + 25)(x + 1)

• (x - 5)(x - 5)

• (x + 5)(x - 5)

(x - 3)(x + 4)

• (x - 3)(x + 4)

• (x - 2)(x + 6)

• (x +3)(x - 4)

• (x - 6 )(x + 2)

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)