Question

Find the area of rectangle it its length is (3x+5) and breadth is (2y+4)

Answer 1

Solution given:

length = (3x+5)

breadth = (2y+4)

we have

area of rectangle: length* breadth

=(3x+5)(2y+4)

opening bracket

=3x(2y+4)+5(2y+4)

=6xy+12x+10y+20

=12x+10y+6xy+20unit square