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30-01-2022
Mathematics

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Given that a=3, b=4 and c= -5 work out b(squared) - 2ac

Given that a3 b4 and c 5 work out bsquared 2ac class=

Respuesta :

30-01-2022

Answer = 46

Substitute the known values of a, band c into the expression b^2 - 2ac.

a = 3, b = 4, c = -5

b^2 – 2ac

(4)^2 – 2(3)(-5)

16 – 6(-5)

16 – (-30)

16 + 30 = 46

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