Question

2x
$2 {x}^{2} - 21x + 45$
​

Answer 1

Answer:

2x²-21x+45

doing middle term factorization

2x²-(15+6)x+45

2x²-15x-6x+45

taking common

x(2x-15)-3(2x-15)

(2x-15)(x-3)

is your answer