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5c² + 28x + 15 (Please show full working)​
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5c² + 28x + 15 (Please show full working)​

User Pepr
by
4.0k points

2 Answers

7 votes

Answer:

5x² +28x+15

5x² +25x+3x+15

5x(x+5)+3(x+5)

(x+5)(5x+3)

User Swagat
by
5.5k points
14 votes

Answer:

If you are asking to factorise..

Explanation:

=> 5x² + 28x + 15

=> 5x² + (25+3)x + 15

=> 5x² + 25x + 3x + 15

=> 5x(x + 5) + 3(x + 5)

=> (x + 5)(5x + 3)

User Alphaleonis
by
5.3k points
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