Question

please answer me this is very important ​

Answer 1

Answer:

Use the sum-product pattern

2+4−5

a2+5a-a-5

Answer 2

Question:-

(iii) a² + 4a – 5.

Given:-

• a² + 4a – 5.

Solution:-

a² + 4a – 5

⇒ a² + 3a + a + 3

⇒ a(a + 3) + 1 (a + 3)

⇒ (a + 1) (a + 3).

Answer:-

Hence, a² + 4a – 5 = (a + 1) (a + 3).

Hope you have satisfied. ⚘