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Setler79 [48]
3 years ago
7

Help me with this immediately​

Mathematics
1 answer:
BARSIC [14]3 years ago
5 0

Answer:

complementary angles, x=19

Step-by-step explanation:

since the two parts of the angle add up to 90, they are complementary angles.

you can find x by adding them and setting it equal to 90:

3x-2+2x-3 = 90

5x-5 = 90

5x = 95

x = 19

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Answer:

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Step-by-step explanation:

<em>What are the solutions of the equation (x – 3)² + 2(x – 3) -8 = 0? Use u substitution to solve.</em>

<em />

(x – 3)² + 2(x – 3) -8 = 0   -------------------------------------------------------(1)

To solve this problem, we will follow the steps below;

let u = x-3

we will replace x-3 by u in the given equation:

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That is; 4×-2 = -8    and 4+(-2) = 2

we will replace 2u by (4u -2u)  in equation (2)

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u² + 4u - 2u -8 = 0

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(u+4)(u-2) = 0

Either  u + 4 = 0

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or

u-2 = 0

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But  u = x-3

x = u +3

when u = -4

x = u + 3

x = -4 + 3

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when u = 2

x = u + 3

x = 2 + 3

x=5

Therefore, x = -1  and  x =5

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