Question

which expressions are equal to 4(4a+5) Choose 3 answers:

Answer 1

Question:

which expressions are equal to 4(4a+5).

Answer:

=>4(4a+5)

=>16a+20

if u want to find the value of a then take

16a+20=0

16a=-20

a=-20/16

a=-5/4

Answer 2

Solution :

$\large \implies \tt4(4a + 5) \\ \\ \large \implies \tt16a + 20 \\ \\ \Large \underline{\underline{\bf To \: find \: value \: of \: a}} : \\ \\ \large \implies \tt16a + 20 = 0 \\ \\ \large \implies \tt16a = - 20 \\ \\ \large \implies \tt a = \dfrac{ - 20}{16} \\ \\ \large \implies \boxed{ \tt a = \dfrac{ - 5}{4} }$