(4t^2-2t-5)+(3t^2-t+7)=

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Solution for (4t^2-2t-5)+(3t^2-t+7)= equation:


Simplifying
(4t2 + -2t + -5) + (3t2 + -1t + 7) = 0

Reorder the terms:
(-5 + -2t + 4t2) + (3t2 + -1t + 7) = 0

Remove parenthesis around (-5 + -2t + 4t2)
-5 + -2t + 4t2 + (3t2 + -1t + 7) = 0

Reorder the terms:
-5 + -2t + 4t2 + (7 + -1t + 3t2) = 0

Remove parenthesis around (7 + -1t + 3t2)
-5 + -2t + 4t2 + 7 + -1t + 3t2 = 0

Reorder the terms:
-5 + 7 + -2t + -1t + 4t2 + 3t2 = 0

Combine like terms: -5 + 7 = 2
2 + -2t + -1t + 4t2 + 3t2 = 0

Combine like terms: -2t + -1t = -3t
2 + -3t + 4t2 + 3t2 = 0

Combine like terms: 4t2 + 3t2 = 7t2
2 + -3t + 7t2 = 0

Solving
2 + -3t + 7t2 = 0

Solving for variable 't'.

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

Divide each side by '7'.
0.2857142857 + -0.4285714286t + t2 = 0

Move the constant term to the right:

Add '-0.2857142857' to each side of the equation.
0.2857142857 + -0.4285714286t + -0.2857142857 + t2 = 0 + -0.2857142857

Reorder the terms:
0.2857142857 + -0.2857142857 + -0.4285714286t + t2 = 0 + -0.2857142857

Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000
0.0000000000 + -0.4285714286t + t2 = 0 + -0.2857142857
-0.4285714286t + t2 = 0 + -0.2857142857

Combine like terms: 0 + -0.2857142857 = -0.2857142857
-0.4285714286t + t2 = -0.2857142857

The t term is -0.4285714286t.  Take half its coefficient (-0.2142857143).
Square it (0.04591836735) and add it to both sides.

Add '0.04591836735' to each side of the equation.
-0.4285714286t + 0.04591836735 + t2 = -0.2857142857 + 0.04591836735

Reorder the terms:
0.04591836735 + -0.4285714286t + t2 = -0.2857142857 + 0.04591836735

Combine like terms: -0.2857142857 + 0.04591836735 = -0.23979591835
0.04591836735 + -0.4285714286t + t2 = -0.23979591835

Factor a perfect square on the left side:
(t + -0.2142857143)(t + -0.2142857143) = -0.23979591835

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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