Simplify: X + x =
5y + y =​

The hypotenuse of an isosceles right triangle is $14\sqrt 2$. what is the area of the triangle?

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.

If f(x) = 3x-2 and g(x) =2x+1 find (f-g)(x)