Question

Solve only the question which has a tick mark.
CLASS - 8th.
PLZ GIVE ME STEP-BY-STEP EXPLANATION PLZ..
And plz don't Cop.y and past.e Plz Plz Plz Plz..
AND PLZ DON'T SPAM PLZ PLZ..
Question is in the picture..​

Answer 1

Answer:

Hello Friend ✌

Here is u r Ans ➡

✨

= ab {}^{2} - bc {}^{2} - ab + c {}^{2}=ab2−bc2−ab+c2

= b \times (ab - c {}^{2} ) - ab + c {}^{2}=b×(ab−c2)−ab+c2

= b \times (ab - c {}^{2} ) - (ab - c {}^{2} )=b×(ab−c2)−(ab−c2)

= (ab - c {}^{2} )(b - 1)=(ab−c2)(b−1)

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