Question

(ii) (2a + 5) (3a-6)​

Answer 1

6a^2+3a-30

Step-by-step explanation:

=6a^2+15a-12a-30

=6a^2+3a-30

Answer 2

Step-by-step explanation:

$given \\ (2a + 5)(3a - 6) = 0 \\ so \\ 2a + 5 = 0 \: or \: 3a - 6 = 0 \\ a = \frac{ - 5}{2} \: or \: a = 2 \\ \\ therefore \: the \: values \: of \: a \: are \: \frac{ - 5}{2} and \: 2$