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15 votes
Expand and simplify 3(x-4)(2x+5)​

User FrankIJ
by
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2 Answers

5 votes
  • Explanation:


3( {2x }^(2) + 5x - 8x - 20) \\ 3( {2x}^(2) - 3x - 20) \\ {6x}^(2) - 9x - 60 \\(6x + (5)/(2) )(x - 4)

User Stijn Geukens
by
4.5k points
9 votes

3(x-4)(2x+5)

= 3×(x-4)×(2x+5)

= (3x-12)(2x+5)

= 6x²+15x-24x-60

= 6x²-9x-60

User Florian Loitsch
by
4.2k points