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egracer

  • one year ago

The area of a square is (4x2 − 12x + 9) square units. Determine the length of each side of the square by factoring the area expression completely. Show your work.

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  1. midhun.madhu1987
    • one year ago
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    4x2 − 12x + 9 = (2x)^2 - 2 * 2x * 3 + 3^2 = ?

  2. egracer
    • one year ago
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    do i combine like terms or?

  3. midhun.madhu1987
    • one year ago
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    The above equation is of the a^2 - 2ab + b^2 So what is the factor?

  4. egracer
    • one year ago
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    how do I know what the factor is? like how do i find it

  5. midhun.madhu1987
    • one year ago
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    a^2 - 2ab + b^2 this is the expansion of which expression??

  6. hybrik
    • one year ago
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    For this, this is a perfect square trinomial

  7. hybrik
    • one year ago
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    4x2 − 12x + 9, Look at the first term and last term, the formula for this is \[a^2 + 2ab + b^2\]

  8. egracer
    • one year ago
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    4x2-12X+9

  9. hybrik
    • one year ago
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    To factor this, you need to knowthe square root of 4x^2 and 9, Do you know what they are?

  10. egracer
    • one year ago
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