Comments

• (2x+1)*x = 2x^2 + x (expression 1) (2x+1)*-3 = -6x - 3 (expression 2) Now sum expression 1 and expression 2: 2x^2 + x - 6x - 3 = 2x^2 -5x - 3 Does it add up now? ;)

  in How do you factor 2x^2-5x-3=0? Comment by xanthine June 2021
• (2x+1)*x = 2x^2 + x (expression 1) (2x+1)*-3 = -6x - 3 (expression 2) Now sum expression 1 and expression 2: 2x^2 + x - 6x - 3 = 2x^2 -5x - 3 Does it add up now? ;)

  in How do you factor 2x^2-5x-3=0? Comment by xanthine June 2021
• (2x+1)*x = 2x^2 + x (expression 1) (2x+1)*-3 = -6x - 3 (expression 2) Now sum expression 1 and expression 2: 2x^2 + x - 6x - 3 = 2x^2 -5x - 3 Does it add up now? ;)

  in How do you factor 2x^2-5x-3=0? Comment by xanthine May 2021