Question Factor the expression (4−x)(16+4x+x2) Evaluate 64−x3Rewrite the expression in exponential form 43−x3Use a3−b3=(a−b)(a2+ab+b2) to factor the expression (4−x)(42+4x+x2)Solution (4−x)(16+4x+x2) Show Solution Find the roots x=4 Evaluate 64−x3To find the roots of the expression,set the expression equal to 0 64−x3=0Move the constant to the right-hand side and change its sign −x3=0−64Removing 0 doesn't change the value,so remove it from the expression −x3=−64Change the signs on both sides of the equation x3=64Take the 3-th root on both sides of the equation 3x3=364Calculate x=364Solution More Steps Evaluate 364Write the number in exponential form with the base of 4 343Reduce the index of the radical and exponent with 3 4 x=4 Show Solution
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