Answer:
x^2 = -7x -8
x^2 +7x +8 = 0
D = 49 -32 = 17
x_1,2 = (-7+/-sqrt17)/2 = (-7-sqrt17)/2 and (-7+sqrt17)/2
Step-by-step explanation:
x = [tex]\frac{1}{2}[/tex] (-7±√17)
x² = -7x - 8
x² + 7x + 8 = 0
Using the quadratic formula, with a=1, b = 7 and c=8,
you will get x = [tex]\frac{1}{2}[/tex] (-7±√17)
