Basic Math Examples

$- 1 (t^{2} - 4 t - 5)$

Step 1

Factor $t^{2} - 4 t - 5$ using the AC method.

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Step 1.1

Consider the form $x^{2} + b x + c$ . Find a pair of integers whose product is $c$ and whose sum is $b$ . In this case, whose product is $- 5$ and whose sum is $- 4$ .

$- 5, 1$

Step 1.2

Write the factored form using these integers.

$- 1 ((t - 5) (t + 1))$

Step 2

Remove unnecessary parentheses.

$- 1 (t - 5) (t + 1)$