times by a on both sides
a(a+8)= -5
expand brackets
a^2 + 8a = -5
minus 5 on both sides to set equal to 0
a^2 + 8a -5 = 0
use quadratic formula to get 2 solutions
-
type into calculator. one solution from + other from -
Give the digits in the hundred thousands place and the ten thousands place. 746,089
1 answer:
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