Question

the length of a rectangle is (9x + 7 ) cm and its breadth is (9x + 2) cm find its area​

Answer 1

$\sf \Large Solution!!$

Length = (9x + 7) cm

Breadth = (9x + 2) cm

Area = Length × Breadth

Area = (9x + 7) cm × (9x + 2) cm

Area = (81x² + 18x + 63x + 14) cm²

Area = (81x² + 81x + 14) cm²