Question

factorise expression 5a^2-13a-28​

Answer 1

Step-by-step explanation:

5a2 - 13a -28

By splitting the middle term- method

5a2 -20a +7a-28

5a(a-4) + 7(a -4)

(a-4) (5a+7)

Hope it helps you

Answer 2

$\Large\underline\mathbb\blue{ANSWER}$

$\: \: \: \: \: \: \: \: 5 {a}^{2} - 13a - 28 \\ \\ = > 5 {a}^{2} - 20a + 7a - 28 \\ \\ = > 5a(a - 4) + 7(a - 4) \\ \\ = > \boxed{(5a + 7)(a - 4)}$

$\tt{hope \: \: its \: \: helpful}$