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2 June, 12:52

Use the grouping method to factor 4x3 + 20x3 - 3x - 15

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  1. 2 June, 14:49
    0
    12+20•3-3x-15

    multiply the numbers : 20•3 = 60

    12+60-3x-15

    group like terms

    -3x+12+60-15

    add and subtract the numbers : 12+60-15=57

    final answer = - 3x+57
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