Question

4. Dodes was peelinemics
E = 5x²4x+8
F) 7X² - 2x+5
G)=2x²-3
calcule
a)E+F-G
b)E-F+G
c)E-F-G
d)G+F-E
e)G-E-F
f)G-F+E
ajudem eu ​

Answer 1

Resposta:

Delta :∆ = +- 9,5

f) X1= -9,5

x2= 9,5