Can binomial distribution be sum of independent bernoulli random variable

The areas of the squares adjacent to two sides of a right triangle are shown below. 3 3 units 2 33 units 2 4 4 units 2 44 units 2 ? ? what is the area of the square adjacent to the third side of the triangle?

Adding and subtracting matricesfind the value of each variable. x = and y = would

Sum is 17 and their difference is 3