Question

pls answer this fast

Answer 1

45(x²-3x³-28x²) / 9x (x+ 4)

now take common in numerator

45 * x²(x²-3x - 28) / 9x(x+4)

do cutting of 45x2 /9x that is 5x

do middle term spilitting

5x(x²-3x - 28) / x+4

5x [x² -7x +4x -28 ] / x+4

5x[x(x-7)+4(x-7)] /x+4

5x[(x+4) (x-7)] /x+4

now x+4 and x+4 cancel

5x(x-7)

= 5x2-35x