melissamontes562 melissamontes562

21-04-2021
Mathematics

contestada

Find the value of the expression below
when x =3/4

4x² + 8x - 5

Respuesta :

blackshades blackshades

21-04-2021

Answer:

4x² + 8x - 5

= 4(3/4)² + 8(3/4) - 5

= 4 × 9/16 + 24/4 - 5

= 36/16 + 24/4 - 5

= 9/4 + 6 - 5

= 9/4 +1

= 3.25

Step-by-step explanation:

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