If a = 2, b = -2 and c = -12 1 2 , evaluate (ab2 - bc2)(a2c - abc)

Question 1 Report

If a = 2, b = -2 and c = - $\frac{1}{2}$ , evaluate (ab2 - bc2)(a2c - abc)

-28

-30

-34

Answer Details

(ab2 - bc2)(a2c - abc)
[2(2)2 - (- 2x $\frac{1}{2}$ )] [22(- $\frac{1}{2}$ ) - 2(-2)(- $\frac{1}{2}$ )]
[8 = $\frac{1}{2}$ ][-2 - 2] = $\frac{17}{2}$ x 42
= -34

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