Question Factor the expression (2−y)(4+2y+y2) Evaluate 8−y3Rewrite the expression in exponential form 23−y3Use a3−b3=(a−b)(a2+ab+b2) to factor the expression (2−y)(22+2y+y2)Solution (2−y)(4+2y+y2) Show Solution Find the roots y=2 Evaluate 8−y3To find the roots of the expression,set the expression equal to 0 8−y3=0Move the constant to the right-hand side and change its sign −y3=0−8Removing 0 doesn't change the value,so remove it from the expression −y3=−8Change the signs on both sides of the equation y3=8Take the 3-th root on both sides of the equation 3y3=38Calculate y=38Solution More Steps Evaluate 38Write the number in exponential form with the base of 2 323Reduce the index of the radical and exponent with 3 2 y=2 Show Solution
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