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vladimir2022 [97]
4 years ago
11

Solve x2 − 24x = −80 by completing the square.

Mathematics
2 answers:
mario62 [17]4 years ago
8 0

Answer:

{4.20}

Step-by-step explanation:

b on edg

Bess [88]4 years ago
7 0

Answer:

{4, 20}

Step-by-step explanation:

x2 − 24x = −80

divide -24 by 2  and square result   get 144

x^2 - 24x  + 144 =  -80 + 144

(x - 12)^2  =  64

x - 12 = root (64)

x = 12 + 8  or  x = 12 - 8

x = 20 or 4

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