Question

Factorise the following quadratic polynomials by splitting the middle term: x²-25x+144​

Answer 1

Answer:

x²-25x+144=(x-9)(x-16)

{-25x=-16x+-9x,144=-9x × -16x}

Answer 2

Answer:

= x²-16x-25x+144

= x(x-16)-9(x-16)

= (x-16) (x-9)