nathanlewisb
nathanlewisb
25-04-2018
Mathematics
contestada
expand and simplify (3x-2)^2
Respuesta :
AnimeBrainly
AnimeBrainly
25-04-2018
(3x - 2)^2 is the same as:
(3x - 2)(3x - 2)
use the FOIL method:
F
irst,
O
utside,
I
nside,
L
ast
3x(3x) = 9x²
3x(-2) = -6x
-2(3x) = -6x
-2(-2) = 4
9x² - 6x - 6x + 4
Combine like terms
9x² (- 6x - 6x) + 4
9x² - 12x + 4
is your answer
hope this helps
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