Question

simplify (ab+bc)²-2ab²c​

Answer 1

Answer:

(ab+bc)²-2ab²c

a²b²+b²c²+2ab²c-2ab²c. {use(a+b)²=a²+b²+2ab}

a²b²+b²c²

this is ur required ans

Answer 2

Given, (ab+bc)2−2ab2c.

We know,

(a+b)2=a2+2ab+b2.

Then,

(ab+bc)2−2ab2c

=(ab)2+2(ab)(bc)+(bc)2−2ab2c

=a2b2+2ab2c+b2c2−2ab2c

=a2b2+b2c2.

mark me as a brilliant