Question

identifique os coeficientes determine as raizes se existir escreva a forma fatorada 9x² - 12x + 4 = 0

Answer 1

coeficientes:a=9 b=-12 c=4

∆=(-12²)-4(9)(4)
∆=144-144
∆=0

x=-(-12)+-✓0/2*9

x'=-12+0/2*9=12/18
x"=12-0/2*9=12/18

acho q eh isso.