What is the simplest form of x^2+5X-36/x^2-16
X+9/X+4
9/4
X+9/X-4
-9/4

Question

04-05-2022
Mathematics

Answered

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What is the simplest form of x^2+5X-36/x^2-16
X+9/X+4
9/4
X+9/X-4
-9/4

Sagot :

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Hrishii Hrishii · Answer 1 · 2022-05-04T04:37:43-04:00

Hrishii Hrishii

04-05-2022

Answer:

[tex] \frac{ {x} + 9}{x - 4} [/tex]

Step-by-step explanation:

[tex] \frac{ {x}^{2} + 5x - 36}{ {x}^{2} - 16} \\ \\ = \frac{ {x}^{2} + 9x - 4x- 36}{ {x}^{2} - {(4)}^{2} } \\ \\ = \frac{ x({x} + 9) - 4(x + 9)}{ (x + 4)(x - 4) } \\ \\ = \frac{ ({x} + 9) \cancel{(x - 4)}}{ \cancel{(x + 4)}(x - 4) } \\ \\ = \frac{ {x} + 9}{x - 4} [/tex]

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