64x^6 - 192x^5 + 240x^4 - 160x^3 + 60x^2 - 12x + 1
Answer:
The larger angle is 144 degrees and the smaller angle is 36 degrees
Step-by-step explanation:
Because this is a supplementary angle you have to find out what x is to solve this equation 
Because 2.4x and 9.6x are like terms we add them 
So now to find x we divide 180 by 12 to get 15
We replace the x with 15 
We add 36 and 144 which equals 180
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squaring something multiplies it by itself. -4^2 = -4*-4 = 16