-8(x-6)+3(5x-2)(5x-7)=

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Solution for -8(x-6)+3(5x-2)(5x-7)= equation:


Simplifying
-8(x + -6) + 3(5x + -2)(5x + -7) = 0

Reorder the terms:
-8(-6 + x) + 3(5x + -2)(5x + -7) = 0
(-6 * -8 + x * -8) + 3(5x + -2)(5x + -7) = 0
(48 + -8x) + 3(5x + -2)(5x + -7) = 0

Reorder the terms:
48 + -8x + 3(-2 + 5x)(5x + -7) = 0

Reorder the terms:
48 + -8x + 3(-2 + 5x)(-7 + 5x) = 0

Multiply (-2 + 5x) * (-7 + 5x)
48 + -8x + 3(-2(-7 + 5x) + 5x * (-7 + 5x)) = 0
48 + -8x + 3((-7 * -2 + 5x * -2) + 5x * (-7 + 5x)) = 0
48 + -8x + 3((14 + -10x) + 5x * (-7 + 5x)) = 0
48 + -8x + 3(14 + -10x + (-7 * 5x + 5x * 5x)) = 0
48 + -8x + 3(14 + -10x + (-35x + 25x2)) = 0

Combine like terms: -10x + -35x = -45x
48 + -8x + 3(14 + -45x + 25x2) = 0
48 + -8x + (14 * 3 + -45x * 3 + 25x2 * 3) = 0
48 + -8x + (42 + -135x + 75x2) = 0

Reorder the terms:
48 + 42 + -8x + -135x + 75x2 = 0

Combine like terms: 48 + 42 = 90
90 + -8x + -135x + 75x2 = 0

Combine like terms: -8x + -135x = -143x
90 + -143x + 75x2 = 0

Solving
90 + -143x + 75x2 = 0

Solving for variable 'x'.

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

Divide each side by '75'.
1.2 + -1.906666667x + x2 = 0

Move the constant term to the right:

Add '-1.2' to each side of the equation.
1.2 + -1.906666667x + -1.2 + x2 = 0 + -1.2

Reorder the terms:
1.2 + -1.2 + -1.906666667x + x2 = 0 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + -1.906666667x + x2 = 0 + -1.2
-1.906666667x + x2 = 0 + -1.2

Combine like terms: 0 + -1.2 = -1.2
-1.906666667x + x2 = -1.2

The x term is -1.906666667x.  Take half its coefficient (-0.9533333335).
Square it (0.9088444448) and add it to both sides.

Add '0.9088444448' to each side of the equation.
-1.906666667x + 0.9088444448 + x2 = -1.2 + 0.9088444448

Reorder the terms:
0.9088444448 + -1.906666667x + x2 = -1.2 + 0.9088444448

Combine like terms: -1.2 + 0.9088444448 = -0.2911555552
0.9088444448 + -1.906666667x + x2 = -0.2911555552

Factor a perfect square on the left side:
(x + -0.9533333335)(x + -0.9533333335) = -0.2911555552

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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