09. Simplify
4[a-6 {a-2(3a – 4a + 3)}]

(1) 8a – 122
(2) 28a + 114
(3) -68a – 144
(4) – 38a – 124​

1 thought on “09. Simplify<br />4[a-6 {a-2(3a – 4a + 3)}]<br /><br />(1) 8a – 122<br />(2) 28a + 114<br />(3) -68a – 144 <br />(4) – 38a – 124​”

1. Answer:

   4 [a-6 {a-2 (3a – 4a + 3)}]

   = 4 [ a-6 { a-2 ( -1a +3)}]

   = 4 [ a-6 {a – 2a +6)}]

   = 4 [ a-6{-a +6)}]

   = 4 [ a-6a +36)}]

   = 4 [ -5a+36)}]

   = -20a +144

   Reply