azariahlee2008 azariahlee2008

14-06-2022
Mathematics

contestada

Solve for x: -3(x - 2)² + 170
Round your answer to the nearest hundredth.

Respuesta :

Scabbers Scabbers

17-06-2022

steps: 1. get rid of the ( )

2. ² and [tex] \sqrt{?} [/tex]

3. x and ÷

4. + and -

so:

-3(x-2)²+170

= (-3x+6)²+170

= (-3x×-3x+ 2×-3x×6 +6×6)+170

= 9x²-36x+36+170

= 9x²-36x+206

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