8x^2+15x+70=0

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Solution for 8x^2+15x+70=0 equation:


Simplifying
8x2 + 15x + 70 = 0

Reorder the terms:
70 + 15x + 8x2 = 0

Solving
70 + 15x + 8x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
8 the coefficient of the squared term: 

Divide each side by '8'.
8.75 + 1.875x + x2 = 0

Move the constant term to the right:

Add '-8.75' to each side of the equation.
8.75 + 1.875x + -8.75 + x2 = 0 + -8.75

Reorder the terms:
8.75 + -8.75 + 1.875x + x2 = 0 + -8.75

Combine like terms: 8.75 + -8.75 = 0.00
0.00 + 1.875x + x2 = 0 + -8.75
1.875x + x2 = 0 + -8.75

Combine like terms: 0 + -8.75 = -8.75
1.875x + x2 = -8.75

The x term is 1.875x.  Take half its coefficient (0.9375).
Square it (0.87890625) and add it to both sides.

Add '0.87890625' to each side of the equation.
1.875x + 0.87890625 + x2 = -8.75 + 0.87890625

Reorder the terms:
0.87890625 + 1.875x + x2 = -8.75 + 0.87890625

Combine like terms: -8.75 + 0.87890625 = -7.87109375
0.87890625 + 1.875x + x2 = -7.87109375

Factor a perfect square on the left side:
(x + 0.9375)(x + 0.9375) = -7.87109375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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