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alexgriva [62]
2 years ago
6

Q6 (i) please i don’t know what i’m doing wrong

Mathematics
2 answers:
UkoKoshka [18]2 years ago
6 0

Answer:

x = 4

Step-by-step explanation:

Square both sides

x+5 = 25-10sqrt(x)+x

20 = 10sqrt(x)

sqrt(x) = 2

Square both sides again

x=4

Verify sol

x = 4

Dennis_Churaev [7]2 years ago
5 0
Start by squaring the numbers on both sides to get rid of the square root on both the left and right sides to get:

x + 5 = 5^2 – x

x + 5 = 25 – x

Then rearrange to make x the subject.

x + 5 = 25 – x

2x + 5 = 25

2x = 20

x = 10
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undefined

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