4x^2-21x+10=-8x+7

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Solution for 4x^2-21x+10=-8x+7 equation: 


Simplifying
4x2 + -21x + 10 = -8x + 7

Reorder the terms:
10 + -21x + 4x2 = -8x + 7

Reorder the terms:
10 + -21x + 4x2 = 7 + -8x

Solving
10 + -21x + 4x2 = 7 + -8x

Solving for variable 'x'.

Reorder the terms:
10 + -7 + -21x + 8x + 4x2 = 7 + -8x + -7 + 8x

Combine like terms: 10 + -7 = 3
3 + -21x + 8x + 4x2 = 7 + -8x + -7 + 8x

Combine like terms: -21x + 8x = -13x
3 + -13x + 4x2 = 7 + -8x + -7 + 8x

Reorder the terms:
3 + -13x + 4x2 = 7 + -7 + -8x + 8x

Combine like terms: 7 + -7 = 0
3 + -13x + 4x2 = 0 + -8x + 8x
3 + -13x + 4x2 = -8x + 8x

Combine like terms: -8x + 8x = 0
3 + -13x + 4x2 = 0

Factor a trinomial.
(1 + -4x)(3 + -1x) = 0


Subproblem 1
Set the factor '(1 + -4x)' equal to zero and attempt to solve:

Simplifying
1 + -4x = 0

Solving
1 + -4x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + -4x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -4x = 0 + -1
-4x = 0 + -1

Combine like terms: 0 + -1 = -1
-4x = -1

Divide each side by '-4'.
x = 0.25

Simplifying
x = 0.25

Subproblem 2
Set the factor '(3 + -1x)' equal to zero and attempt to solve:

Simplifying
3 + -1x = 0

Solving
3 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-3' to each side of the equation.
3 + -3 + -1x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1x = 0 + -3
-1x = 0 + -3

Combine like terms: 0 + -3 = -3
-1x = -3

Divide each side by '-1'.
x = 3

Simplifying
x = 3
Solution
x = {0.25, 3}

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