4p^2-7p=-4

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Solution for 4p^2-7p=-4 equation:


Simplifying
4p2 + -7p = -4

Reorder the terms:
-7p + 4p2 = -4

Solving
-7p + 4p2 = -4

Solving for variable 'p'.

Reorder the terms:
4 + -7p + 4p2 = -4 + 4

Combine like terms: -4 + 4 = 0
4 + -7p + 4p2 = 0

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

Divide each side by '4'.
1 + -1.75p + p2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -1.75p + -1 + p2 = 0 + -1

Reorder the terms:
1 + -1 + -1.75p + p2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -1.75p + p2 = 0 + -1
-1.75p + p2 = 0 + -1

Combine like terms: 0 + -1 = -1
-1.75p + p2 = -1

The p term is -1.75p.  Take half its coefficient (-0.875).
Square it (0.765625) and add it to both sides.

Add '0.765625' to each side of the equation.
-1.75p + 0.765625 + p2 = -1 + 0.765625

Reorder the terms:
0.765625 + -1.75p + p2 = -1 + 0.765625

Combine like terms: -1 + 0.765625 = -0.234375
0.765625 + -1.75p + p2 = -0.234375

Factor a perfect square on the left side:
(p + -0.875)(p + -0.875) = -0.234375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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