+33661 If you just want to factor this expression then look for two numbers that multiply to make 12 and add to make 8:
1 12 product 12 sum 13
2 6 product 12 sum 8
3 4 product 12 sum 7
So it looks like 2 and 6 are the numbers we want.
x2 + 8x + 12 can be written as (x + 2)(x + 6)
.
This one is pretty tricky, because it is not an equation.
But...
Say x=3
x^2 + 8x + 12 = 45
Hope I helped.
+33661 If you just want to factor this expression then look for two numbers that multiply to make 12 and add to make 8:
1 12 product 12 sum 13
2 6 product 12 sum 8
3 4 product 12 sum 7
So it looks like 2 and 6 are the numbers we want.
x2 + 8x + 12 can be written as (x + 2)(x + 6)
.
