Simplify the expression 3 (√144-6)

Answers (2)
  1. Madeley
    3 (√ (144) - 6)

    3 (12 - 6)

    3 (6)

    18
  2. Yalini
    First work inside the square root symbol 144-6 is

    answer 138

    Now it says give the square root of that number which falls between 11 and 12

    11x11=121

    12x12=144

    so without using a cal. we can see its about 11. 3 estimated

    when I work it out or use cal. its 11.747

    now multipy that numbe by 3

    35.24
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