Question

simplify:( ab+bc)2-2ab2-c​

Answer 1

Answer:

Given, (ab+bc)

2

−2ab

2

c.

We know,

(a+b)

2

=a

2

+2ab+b

2

.

Then,

(ab+bc)

2

−2ab

2

c

=(ab)

2

+2(ab)(bc)+(bc)

2

−2ab

2

c

=a

2

b

2

+2ab

2

c+b

2

c

2

−2ab

2

c

=a

2

b

2

+b

2

c

2

.

Step-by-step explanation:

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