Question

Solve $55\times 56$ using suitable brackets

Answer 1

Solving the multiplication using brackets

We have- $55\times 56$

$$\begin{gathered} =\left(50+5\right)\left(50+6\right) \\ =50\left(50+6\right)+5\left(50+6\right) \\ =2500+300+250+30 \\ =3080 \end{gathered}$$

Hence, $55\times 56=3080$