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Mathematics
Justice Solis
31 July, 13:56
Evaluate the expression x^2+8x-4 if x=3
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Alonso Meza
31 July, 17:23
0
29
Step-by-step explanation:
first sub in 3 wherever x is shown
(3) ^2+8 (3) - 4 the use bedmas (brackets, exponents, division, multiplication, addition, subtraction)
solve brakets first
(3) ^2=9
8 (3) = 24
rewrite equation; 9+24-4=29
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