4r^2-r=33

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Solution for 4r^2-r=33 equation:


Simplifying
4r2 + -1r = 33

Reorder the terms:
-1r + 4r2 = 33

Solving
-1r + 4r2 = 33

Solving for variable 'r'.

Reorder the terms:
-33 + -1r + 4r2 = 33 + -33

Combine like terms: 33 + -33 = 0
-33 + -1r + 4r2 = 0

Factor a trinomial.
(-11 + -4r)(3 + -1r) = 0

Subproblem 1

Set the factor '(-11 + -4r)' equal to zero and attempt to solve: Simplifying -11 + -4r = 0 Solving -11 + -4r = 0 Move all terms containing r to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + -4r = 0 + 11 Combine like terms: -11 + 11 = 0 0 + -4r = 0 + 11 -4r = 0 + 11 Combine like terms: 0 + 11 = 11 -4r = 11 Divide each side by '-4'. r = -2.75 Simplifying r = -2.75

Subproblem 2

Set the factor '(3 + -1r)' equal to zero and attempt to solve: Simplifying 3 + -1r = 0 Solving 3 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1r = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1r = 0 + -3 -1r = 0 + -3 Combine like terms: 0 + -3 = -3 -1r = -3 Divide each side by '-1'. r = 3 Simplifying r = 3

Solution

r = {-2.75, 3}

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