Question

Factor: x2 - 9x + 12
A. (x + 1)(x - 12)
B. (x + 2)(x + 6)
C. (x - 2)(x - 6)
D. prime

Answer 1

x2 - 9x + 12 <-correct question?

Answer 2

yupp

Answer 3

On multiple choice questions, a good strategy is to solve each answer to see what fits

Answer 4

So if you can't easily factor the question, multiply the answers out!

Answer 5

It can't be factorised then. At least the factored form is not in the above choices

Answer 6

@toobulkeh Good point!

Answer 7

so C?

Answer 8

C would be something like: \[x ^{2} -8x + 12\]

Answer 9

Right option mot mentioned

Answer 10

*not

Answer 11

b!

Answer 12

Multiply B out, what is the polynomial that you get?

Answer 13

A. (x + 1)(x - 12) = x^2 -12x+x -12 = x^2-11x-12
B . (x + 2)(x + 6) = x^2 +2x+6x+12 = x^2 +8x+12
C. (x - 2)(x - 6) = x^2 -2x-6x+12 = x^2 -8x +12