Question

plz solve this questions​

Answer 1

Answer:

3(a+2) ^2

Step-by-step explanation:

3a^2+12a+12

=3(a^2+4a+4)

=3(a+2)^2

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Answer 2

Answer:

Step-by-step explanation:

(i)

3(a^2) + 12a + 12 =  (a^2) + 4a + 4

( a + 2 )^2

(ii)

25(b^2) + 5bc + (1/4)(c^2) = (5b^2) + 2.5.(1/2)bc + ( (c/2) ^2 )

(5b + (c/2))^2

(iii)

(16/49)d^2 + (8/35)df + (1/25)f^2 = (4d/7)^2 + 2.(4/7)(1/5)df + (f/5)^2

( (4d/7) + (f/5) )^2

(iv)

let h^2 = a

a^2 +2ak + k^2 = ( a + k )^2 = ( (h^2) + k )^2

hope this helps

please mark this as brainliest, so that I can level up :)