Question

6. Resolva as equações:
a) (x - 2008) (3x - 6000) = 0
b) 4 (x-216)² = 100​

Answer 1

Explicação passo-a-passo:

a)x-2008=0

3x-6000=0

x1=2000

x2=2008

b)(x-216)elevado a 2 = 25

x-216=+5

x-216=-5

x1= 211

x2=221

Answer 2

a) 3x²-6000x-6024x+12048000=0

3x²-12024x-12048000=0

b)4(x²-2.x.216+216²)=100

4(x²-432x+46656)=100

4x²-1728x+186624=100

4x²-1728x+186624-100

4x²-1728x+186524=0