←Solved Problems / Quadratic Equations

These solved problems show how quadratic equations can be reduced, factorised and solved step by step. In every problem, remember this basic rule: if the product of two expressions is zero, then at least one of the expressions must be zero.

🔸 +
∵
or,
or,
or,
or,
or,
or,
∵If the product of two expressions is zero, then at least one expression must be zero.
∴

or

∴

or

🔸 +
∵

, where

or,
or,
or,
or,
or,
or,
or,
∴

or

∴

or

🔸 +
∵

, where

or,
or,
or,
∴

or

∴

or

🔸 +
∵

, where

or,
or,
or,
or,
or,
or,
or,
or,
or,
or,
or,
∴

or

🔸 +
∵

, where

or,
or,
or,
or,
or,
or,
or,
∴

or

🔸 +
∵

, where

or,
or,
or,
or,
or,
or,
or,
∴

or

🔸 +
∵

, where

or,
or,
or,
or,
∴

or

🔸 +
∵

, where

or,
or,
or,
or,
or,
or,
or,
or,
or,
or,
∴

or