TheJeff122 TheJeff122

01-04-2021
Mathematics

contestada

Tell which method you used plz 4x^2-15=66

Respuesta :

01-04-2021

Answer:

x = ±4.5

Step-by-step explanation:

4x² - 15 = 66

Add 15 to both sides.

4x² = 81

Divide both sides by 4.

x² = 20.25

Take the square root of both sides.

x = ±4.5

Hope this helps!

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