(2g-9)(g+4)=0

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Solution for (2g-9)(g+4)=0 equation:


Simplifying
(2g + -9)(g + 4) = 0

Reorder the terms:
(-9 + 2g)(g + 4) = 0

Reorder the terms:
(-9 + 2g)(4 + g) = 0

Multiply (-9 + 2g) * (4 + g)
(-9(4 + g) + 2g * (4 + g)) = 0
((4 * -9 + g * -9) + 2g * (4 + g)) = 0
((-36 + -9g) + 2g * (4 + g)) = 0
(-36 + -9g + (4 * 2g + g * 2g)) = 0
(-36 + -9g + (8g + 2g2)) = 0

Combine like terms: -9g + 8g = -1g
(-36 + -1g + 2g2) = 0

Solving
-36 + -1g + 2g2 = 0

Solving for variable 'g'.

Factor a trinomial.
(-4 + -1g)(9 + -2g) = 0

Subproblem 1

Set the factor '(-4 + -1g)' equal to zero and attempt to solve: Simplifying -4 + -1g = 0 Solving -4 + -1g = 0 Move all terms containing g to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1g = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1g = 0 + 4 -1g = 0 + 4 Combine like terms: 0 + 4 = 4 -1g = 4 Divide each side by '-1'. g = -4 Simplifying g = -4

Subproblem 2

Set the factor '(9 + -2g)' equal to zero and attempt to solve: Simplifying 9 + -2g = 0 Solving 9 + -2g = 0 Move all terms containing g to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -2g = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -2g = 0 + -9 -2g = 0 + -9 Combine like terms: 0 + -9 = -9 -2g = -9 Divide each side by '-2'. g = 4.5 Simplifying g = 4.5

Solution

g = {-4, 4.5}

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