Are the following two expressions the same? -(4t^2 -16t - 20) AND 4t^2 - 16t - 20

asked Apr 22, 2021 151k views

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Are the following two expressions the same?
-(4t^2 -16t - 20)

AND

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Answer:

Explanation:

Use - to open the bracket

$- (4t^2 -16t - 20) = \\ - 4 {t}^(2) + 16t + 20$

Compare the two

: They are not the same

4t^2 - 16t - 20

Note :

$- * - = + \\ + * - = - \\ + * + = + \\ - * + = -$

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