Question

Simplify the following:
(i) a2
(b2 – c
2
) + b2
(c2 – a
2
) + c2
(a2 – b
2
)
(ii) x2
(x – 3y2
) – xy(y2 – 2xy) – x(y3 – 5x2
)

Answer 1

Answer:

i) 0

Step-by-step explanation:

i) a2 (b2 - c2) + b2 ( c2 - a2) + c2 ( a2 - b2)

a2b2 - a2c2 + b2c2 - a2b2 + a2c2 - b2c2

=0