Question

how to factor the following trinomials forms: x^2-7x+12

Answer 1

-3 - 4 = -7
-3 * -4 = 12\[\rm x^2 - 3x - 4x + 12\]By grouping first two and last two, you get,\[\rm x(x - 3) - 4(x - 3)\]

Answer 2

Sum = -7

Product = 12

Find two Such numbers

Answer 3

so how would i explain this?

Answer 4

-3 and -4 nw split -7x = -3x - 4x


x^2-7x+12


x^2-3x-4x+12


x(x-3) -4(x-3)


(x-3) (x-4)