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stepan [7]
2 years ago
10

Given m||n find the value of x (x+ 20) (4x-5)

Mathematics
1 answer:
gizmo_the_mogwai [7]2 years ago
7 0

Answer:

x² + 80<em>x</em> - 5

Step-by-step explanation:

  1. <em>x</em> (<em>x</em>+ 20) (4x-5)
  2. <em>x </em>* <em>x</em> = <em>x</em>²
  3. <em>x </em>* 20 = 20<em>x</em>
  4. <em>x</em>² + 20<em>x </em>* 4<em>x</em> - 5
  5. 20x * 4x = 80x
  6. so in all = x² + 80x - 5

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