Answer8 x 4 + x 3 − 4 x 2 + 1
Step-by-step explanation:
Answer:
∠ABC = 100°
∠ADF = 100°
(8x + 4)° = (10x - 20)°
(2x)° = 24°
x = 12°
Compute, knowing that x = 12°
8x + 4 = 8 · 12 + 4 = 100°
10x - 20 = 10 · 12 - 20 = 100°
It means x times 15