Question

factorise:
2^2 - x - 3​

Answer 1

$\huge{\mathfrak{\underline{\underline{\blue{Solution}}}}}$

2x²-x-3

= 2x²-(2x-3x)-3

= 2x²-2x+3x-3

= 2x(x-1)+3(x-1)

= (x-1)(2x+3)

=> x = 1,-3/2