Question

How to convert $(a+b)x^{2}$ to $(a-b)x^{2}$?

Answer 1

Answer:

$(a + b)x^{2} = ax^{2} + bx^{2}$

$(a-b)x^{2} = ax^{2} - bx^{2}$

To convert $(ax^{2} + bx^{2} )$ to $(ax^{2} - bx^{2} )$, we have to subtract $2bx^{2}$ from it.

$(ax^{2} + bx^{2} ) - 2bx^{2} = ax^{2} - bx^{2}$