1.) 2m² - 12m + 10
2.) 6x² + 17x - 14
3.) 12y² - 34y + 24
4.) 5y² - 9y - 2
5.) y² + 7y + 10
FOIL stands for..
F - first
O - outer
I - inner
L - last
in number 1,
F - (m, 2m)
O - (m, -2)
I - (-5, 2m)
L - (-5, -2)
and if you combined them, you'll get:
F = 2m²
O = -2m
I = -10m
L = +10
after combining the terms, you need to subtract (depends on what sign the inner term is) the inner and outer terms which is -2m and -10m which will equals to -12m.
Combine the first term, the difference of the inner and outer terms, and the last term: 2m² - 12m + 10.
