Question

Factorise: a2 + 8a + 7​

Answer 1

HeRe IS UR AnS:

=a^2+8a+7

=a^2+7a+a+7

=(a+1) (a+7)

STudY WeLL....

Answer 2

Answer:

a2 + 8a + 16

Here, 4 + 4 = 8 and 4 × 4 = 16

a2 + 8a +16

= a2 + 4a + 4a + 4 × 4

= (a2 + 4a) + (4a + 16)

= a(a + 4) + 4(a + 4)

= (a + 4) (a + 4)

= (a + 4)2