The factorisation $x^2 + x - 240 = (x + 16)(x - 15)$ is verified by—

Question

Accepted Answer

expanding to get $x^2 + x - 240$

Answer

$x^2 - 240$

Answer

$x^2 + 31x - 240$

Answer

$x^2 - x - 240$

The factorisation x2+x−240=(x+16)(x−15)x^2 + x - 240 = (x + 16)(x - 15)x2+x−240=(x+16)(x−15) is verified by—