S^2+4s+4=0
Solve the equation

=-2

Step-by-step explanation:Use the quadratic formula

=

−

±

2

−

4

√

2

s=\frac{-{\color{#e8710a}{b}} \pm \sqrt{{\color{#e8710a}{b}}^{2}-4{\color{#c92786}{a}}{\color{#129eaf}{c{2{\color{#c92786}{a}}}

s=2a−b±b2−4ac​​

Once in standard form, identify a, b, and c from the original equation and plug them into the quadratic formula.

2

+

4

+

4

=

0

s^{2}+4s+4=0

s2+4s+4=0

=

1

a={\color{#c92786}{1}}

a=1

=

4

b={\color{#e8710a}{4}}

b=4

=

4

c={\color{#129eaf}{4}}

c=4

=

−

4

±

4

2

−

4

⋅

1

⋅

4

√

2

⋅

1

s=\frac{-{\color{#e8710a}{4}} \pm \sqrt{{\color{#e8710a}{4}}^{2}-4 \cdot {\color{#c92786}{1}} \cdot {\color{#129eaf}{4{2 \cdot {\color{#c92786}{1}}}

s=2⋅1−4±42−4⋅1⋅4​​

s=-2

Step-by-step explanation:

answer: 819.89 miles across america

step-by-step explanation: