Question

Resolva as equaçoes:

a) x²=4/5.+1/5

b) x/4 - x/3 + 1/9 = 0

Me ajudemmmm é urgente!!!!!

Answer 1

a
x² = 4/5 + 1/5
x² = 5/5
x² = 1
Vx² = V1
x = +-1 ****
b
x/4 - x/3 + 1/9 = 0
mmc = 36
( 9x - 12x +4) = 0
-3x + 4 = 0
-3x = -4
3x = 4
x = 4/3 ***