Simplify: (i) 5793405 x 9999  (ii) 839478 x 625

Simplify: (i) 5793405xx9999 (ii) 839478xx625

Simplify (x+3)(x+3)

Simplify 5x(x + 2) + 4x

Simplify: (i) 1605xx1605quad (ii) 1398xx1398

Simplify : (i) 8 x (-13) + 8 x 9 (ii) (-12) x 7 + (-12) x (-4) (iii) 9 x (-16) + (-12) x (-16) (iv) 10 x (-31) + 10 x (-9)

Simplify : (10x)/(5+x)

Simplify: (i) (1)^5 (ii) (-1)^5

Simplify: x - (3 - x)

Simplify: (i) (x+4)^2 (ii) (2x+3)(2x-3)