Question

= 3x²+7x+5= 6x²+x-1/2=

Answer 1

Boa tarde 

3x² + 7x + 5 = 6x² + x - 1/2

6x² + 14x + 10 = 12x² + 2x - 1

6x² - 12x - 11 = 0 

delta
d² = 144 + 24*11 = 144 + 264 = 408 = 4*102
d = 2√102

x1 = (12 + 2√102)/12 = (6 + √102)/6 
x2 = (12 - 2√102)/12 = (6 - √102)/6