Question

Solve the equation x^2+3x-7=0 give your answers to two decimal places​

Answer 1

Solve the equation for

x

by finding

a

,

b

, and

c

of the quadratic then applying the quadratic formula.

Exact Form:

x

=

3

+

√

37

2

,

3

−

√

37

2

Decimal Form:

x

=

4.54138126

…

,

−

1.54138126

…

Explanation:

Answer 2

1. x1 = 1.54
2. x2 = - 4.54

Explanation:

`x^2+3x-7=0\\Quadratic -Formula = \\x = \frac{-b ±\sqrt{b^(2)-4ac } }{2a} \\a = 1\\b= 3\\c = -7\\x = \frac{-(3) ±\sqrt{3^(2)-4(1)(-7) } }{2(1)}\\ x = (-3 ±√(9+28 ) )/(2)\\x = (-3 ±√(37 ) )/(2)`