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# If RA= x^2-2x-2, AT=2x^2+3x-24, and RT= x^2+5x-10.What is X?

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- KrishnamurthyLv 71 month agoFavorite Answer
If RA = x^2 - 2x - 2, AT = 2x^2 + 3x - 24, and RT= x^2 + 5x - 10.

What is x?3x^2 + x - 26 = x^2 + 5x - 10

2x^2 - 4x - 16 = 0

2(x^2 - 2x - 8) = 0

x^2 - 2x + 1 - 9 = 0

(x - 1)^2 = 9

x - 1 = 3

x = 4

- alexLv 71 month ago
Diagram ?

If R , A , T is on a line

then

RT = RA+AT

set up an equation

then solve for x

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