1 Move all terms to one side.
{x}^{2}+15x+45=0
x
2
+15x+45=0
2 Use the Quadratic Formula.
x=\frac{-15+3\sqrt{5}}{2},\frac{-15-3\sqrt{5}}{2}
x=
−15+3
5
,
−15−3
3 Simplify solutions.
x=-\frac{3(5-\sqrt{5})}{2},-\frac{3(5+\sqrt{5})}{2}
x=−
3(5−
)
,−
3(5+
Answer:
x = - ; -
Step-by-step explanation:
x = 1/2 or 0.5
3x - 4 = x +5 (1) subtract x
2x - 4 = 5 (2) subtract 5
2x + 1 (3) divide by 2
Answer:3 and 1/8
Step-by-step explanation:by adding
D. 3.14
hop this helps ^o^