3X(X+5)=2X+10

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Solution for 3X(X+5)=2X+10 equation:


Simplifying
3X(X + 5) = 2X + 10

Reorder the terms:
3X(5 + X) = 2X + 10
(5 * 3X + X * 3X) = 2X + 10
(15X + 3X2) = 2X + 10

Reorder the terms:
15X + 3X2 = 10 + 2X

Solving
15X + 3X2 = 10 + 2X

Solving for variable 'X'.

Reorder the terms:
-10 + 15X + -2X + 3X2 = 10 + 2X + -10 + -2X

Combine like terms: 15X + -2X = 13X
-10 + 13X + 3X2 = 10 + 2X + -10 + -2X

Reorder the terms:
-10 + 13X + 3X2 = 10 + -10 + 2X + -2X

Combine like terms: 10 + -10 = 0
-10 + 13X + 3X2 = 0 + 2X + -2X
-10 + 13X + 3X2 = 2X + -2X

Combine like terms: 2X + -2X = 0
-10 + 13X + 3X2 = 0

Factor a trinomial.
(-5 + -1X)(2 + -3X) = 0

Subproblem 1

Set the factor '(-5 + -1X)' equal to zero and attempt to solve: Simplifying -5 + -1X = 0 Solving -5 + -1X = 0 Move all terms containing X to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1X = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1X = 0 + 5 -1X = 0 + 5 Combine like terms: 0 + 5 = 5 -1X = 5 Divide each side by '-1'. X = -5 Simplifying X = -5

Subproblem 2

Set the factor '(2 + -3X)' equal to zero and attempt to solve: Simplifying 2 + -3X = 0 Solving 2 + -3X = 0 Move all terms containing X to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -3X = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3X = 0 + -2 -3X = 0 + -2 Combine like terms: 0 + -2 = -2 -3X = -2 Divide each side by '-3'. X = 0.6666666667 Simplifying X = 0.6666666667

Solution

X = {-5, 0.6666666667}

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