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• x³ – x² – 18x + 18 = 0 (x³ – x²) – (18x – 18) = 0 x²(x – 1) – 18(x – 1) = 0 (x – 1)(x² – 18) = 0 (x – 1) = 0 x = 1 (x² – 18) = 0 x² = 18 x = ± √18 x = ± 3√2

  in algebra problem please help?!?!? Comment by jerome-j June 2021
• x³ – x² – 18x + 18 = 0 (x³ – x²) – (18x – 18) = 0 x²(x – 1) – 18(x – 1) = 0 (x – 1)(x² – 18) = 0 (x – 1) = 0 x = 1 (x² – 18) = 0 x² = 18 x = ± √18 x = ± 3√2

  in algebra problem please help?!?!? Comment by jerome-j June 2021
• D/12 + 2 + D/18 = 7 Multiply by 36 3D + 72 + 2D = 252 5D = 180 D = 180/5 = 36 km Let x = amt invested at 8% 24000 – x = amt invested at 7.2 % .08(x) = (2/3)(.072)(24000 – x) .24x = 0.144(24000 – x) .24x = 3456 – 0.144x 0.384x = 3456 …

  in Algebra Word Problems? Comment by jerome-j June 2021
• x² +4x – 14 = 0 x² +4x = 14 x² +4x + 4 = 14 + 4 (x + 2)² = 18 (x + 2) = ± √18 (x + 2) = ± 3√2 x = –2 ± 3√2

  in Maths problem A level? Comment by jerome-j June 2021
• x² +4x – 14 = 0 x² +4x = 14 x² +4x + 4 = 14 + 4 (x + 2)² = 18 (x + 2) = ± √18 (x + 2) = ± 3√2 x = –2 ± 3√2

  in Maths problem A level? Comment by jerome-j June 2021
• x² +4x – 14 = 0 x² +4x = 14 x² +4x + 4 = 14 + 4 (x + 2)² = 18 (x + 2) = ± √18 (x + 2) = ± 3√2 x = –2 ± 3√2

  in Maths problem A level? Comment by jerome-j May 2021
• D/12 + 2 + D/18 = 7 Multiply by 36 3D + 72 + 2D = 252 5D = 180 D = 180/5 = 36 km Let x = amt invested at 8% 24000 – x = amt invested at 7.2 % .08(x) = (2/3)(.072)(24000 – x) .24x = 0.144(24000 – x) .24x = 3456 – 0.144x 0.384x = 3456 …

  in Algebra Word Problems? Comment by jerome-j May 2021
• x³ – x² – 18x + 18 = 0 (x³ – x²) – (18x – 18) = 0 x²(x – 1) – 18(x – 1) = 0 (x – 1)(x² – 18) = 0 (x – 1) = 0 x = 1 (x² – 18) = 0 x² = 18 x = ± √18 x = ± 3√2

  in algebra problem please help?!?!? Comment by jerome-j May 2021