You can put this solution on YOUR website! (4a+4) (3a-3)
Use FOIL:
F: 4a*3a = 12a^2
O: 4a*-3 = -12a
I: 4*3a = 12a
L: 4*-3 = -12
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Ans: 12a^2-12
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Cheers,
Stan H.
You can put this solution on YOUR website! (4a+4)(3a-3)
use foil
f
4a*3a
o
4a*-3
i
4*3a
L
4*-3
add them
12a^2-12a+12a-12
12a^2-12
this is a parabola
12(a^2-1)
12(a-1)(a+1)