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## Quadratics Review

Solve for x:

x^2 - 11x - 26 = 0
(x - 13)(x + 2) = 0

x^2 + 8x - 20 = 0
(x - 2)(x + 10) = 0

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## Surds

## Surd Algebra:

4sqrt(5) + 3sqrt(5) = 7sqrt(5)

8sqrt(3) * 2sqrt(3) = 16sqrt(3)sqrt(3) = 48

sqrt(8) / sqrt(2) = sqrt(4) = 2

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## Index

Quadratics
- Completing the square method
- Using the quadratic formula
- The discriminant and nature of roots
- Irrational equations

Misc
- Surds

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