PLEASE HELP! MATH QUESTION!

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asked Apr 20, 2019 55.3k views

1 Answer

Pratik Prajapati · Answer 1 · 2019-04-26T17:52:31+0000

44)
5x ^ 2 - 10 = x ^ 2 + 90
4x ^ 2 = 100
x ^ 2 = 25
x = 5, -5
45)
x ^ 2 - 6x + 9 = 0
(x - 3) ^ 2 = 0 <---this kind of just comes from experience... not sure how to explain it...
x - 3 = 0
x = 3

PLEASE HELP! MATH QUESTION!

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