Answer:
<em>the correct answer is 12 4/5 ! ;) </em>
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<em>brainliest ? :]</em>
<em>the crown at the bottom of my answer >.< ! </em>
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<em>Have a nice day love < 3 __________________________________________________________</em>
X=7
(x - 3 )(x +5)
(x+3) (x-5)
X - 35
Step-by-step explanation:
(x + 1)2 = 16
Expanding , we have
2x + 2 = 16
2x = 16 - 2
2x = 14
X= 7.
Check the picture below.
Start with the 60, 60, 60 degree triangle, one of the sides are 12 so all the other sides are 12. So we have 12+12+12+9=45
