Question

3. When a = 3, b = 2, then (a - b) (2a2 – 3ab + b2) is
(a) 4
(b) -4
(c) 20
(d) - 20​

Answer 1

Answer:

Answer:4

Step-by-step explanation:

(3-2)(2*3*3-3*3*2+2*2)

(1)(18-18+4)

4

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Answer 2

(a - b) (2a2 – 3ab + b2)

=(3-2)(2.3^2-3.3.2+2^2)

=1.(18-18+4)

=4