Question

como faço essa conta???? 4x^2+9x=12x

 

Answer 1

4x²+9x=12x
4x²+9x-12x
4x²-3x
x(4x-3)=0
x=0
x= 3/4

Answer 2

4x² + 9x = 12x

4x² + 9x - 12x = 0

4x² - 3x = 0

x • (4x - 3) = 0

x= 0

4x - 3 = 0

4x = 0 + 3

4x =3

x= 3/4

S= ( 0 , 3/4)