perform-multiplication-in-the-given-expression-10x-9y-10x-9y-a-100x2-81y2b-100x2

Question

Perform multiplication in the given expression:(10x - 9y)(10x + 9y)

Accepted Answer

$$100x^{2}$$ - $$81y^{2}$$

Answer

$$100x^{2}$$ + $$81y^{2}$$

Answer

$$100x^{2} - 180xy$$ + $$81y^{2}$$

Answer

$$100x^{2} - 180xy$$ - $$81y^{2}$$