8g^2-22g-21=0

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Solution for 8g^2-22g-21=0 equation:


Simplifying
8g2 + -22g + -21 = 0

Reorder the terms:
-21 + -22g + 8g2 = 0

Solving
-21 + -22g + 8g2 = 0

Solving for variable 'g'.

Factor a trinomial.
(-3 + -4g)(7 + -2g) = 0

Subproblem 1

Set the factor '(-3 + -4g)' equal to zero and attempt to solve: Simplifying -3 + -4g = 0 Solving -3 + -4g = 0 Move all terms containing g to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -4g = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -4g = 0 + 3 -4g = 0 + 3 Combine like terms: 0 + 3 = 3 -4g = 3 Divide each side by '-4'. g = -0.75 Simplifying g = -0.75

Subproblem 2

Set the factor '(7 + -2g)' equal to zero and attempt to solve: Simplifying 7 + -2g = 0 Solving 7 + -2g = 0 Move all terms containing g to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2g = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2g = 0 + -7 -2g = 0 + -7 Combine like terms: 0 + -7 = -7 -2g = -7 Divide each side by '-2'. g = 3.5 Simplifying g = 3.5

Solution

g = {-0.75, 3.5}

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