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mikaa_toxica13

can someone check my answers ?

  • one year ago
  • one year ago

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  1. mikaa_toxica13
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    Factor completely: 5ab + 3ay + 5b + 3y (5b + 3y)(a + 1) <----- (5b − 3y)(a + 1) (5b + 3y)(a − 1) Prime Factor completely: 21x3 + 35x2 + 9x + 15 (3x − 5)(7x2 − 3) (3x − 5)(7x2 + 3) (3x + 5)(7x2 − 3) (3x + 5)(7x2 + 3) <---- Factor completely: 3ab − 5ax + 9b − 15x (3b + 5x)(a + 3) (3b − 5x)(a + 3) <----- (3b − 5x)(a − 3) Prime

    • one year ago
  2. ajprincess
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    yup perfect:)

    • one year ago
  3. goformit100
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    Yes Your Answers are correct.

    • one year ago
  4. goformit100
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    Well Done @mikaa_toxica13 :)

    • one year ago
  5. mikaa_toxica13
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    Factor completely: 4xy + 9x + 24y + 54 (4y − 9)(x − 6) (4y − 9)(x + 6) <---- (4y + 9)(x − 6) (4y + 9)(x + 6) Factor completely: 9ab + 12ax − 6b − 8x Prime (3b − 4x)(3a − 2) (3b + 4x)(3a − 2) (3b + 4x)(3a + 2) <----- Factor completely: 5ab(x + 6) − 4(x + 6) Prime (x + 6)(5ab + 4) (x + 6)(ab) <----- (x + 6)(5ab − 4)

    • one year ago
  6. ajprincess
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    sorry to say but this time u didnt get them right:(

    • one year ago
  7. mikaa_toxica13
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    :/ okay can u tell me how to do them and which answers are right ?

    • one year ago
  8. ajprincess
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    Factor completely: 4xy + 9x + 24y + 54 (4y − 9)(x − 6) (4y − 9)(x + 6) <---- (4y + 9)(x − 6) (4y + 9)(x + 6) In the question all the terms are positive. but in ur answer there is a minus sign.

    • one year ago
  9. mikaa_toxica13
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    so it would be the last one ? (4y + 9)(x + 6)

    • one year ago
  10. ajprincess
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    (4y + 9)(x + 6) =4y*x+4y*6+9*x+9*6 =4xy+24y+9x+54 yup it is:)

    • one year ago
  11. mikaa_toxica13
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    (3b + 4x)(3a − 2) for the second one. i got the arrow in the wrong place lol

    • one year ago
  12. ajprincess
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    ya it is right:)

    • one year ago
  13. mikaa_toxica13
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    okay and for the last one ? i didnt really understand it at all.

    • one year ago
  14. ajprincess
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    5ab(x + 6) − 4(x + 6) Let us assume that x+6=y for simplicity then u will have 5aby-4y factor out y and then replace it with x+6

    • one year ago
  15. mikaa_toxica13
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    oh, so its the last one ?

    • one year ago
  16. ajprincess
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    yup:)

    • one year ago
  17. mikaa_toxica13
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    thank u sooo much !

    • one year ago
  18. ajprincess
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    welcome:)

    • one year ago
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