Question

(1 + 5)2 = ? + 20 find answer​

Answer 1

Answer:

-8

Step-by-step explanation:

(1+5)2

= (6)2

= 12

according to the question

12 = ? + 20

let "?" be "x"

12-20 = x

x = -8

Answer 2

Answer:

Let the unknown value be 'x'.

So,

$( 1 + 5)2 = x + 20 \\ (6)2 = x + 20 \\ 12 = x + 20 \\ x = 12 - 20 \\ \boxed {\green{x = - 8}} \\ \\ \\ \\ \underline{Check} \: :- \\ (1 + 5)2 = 6 \times 2 = 12 = LHS\\ - 8 + 20 = 12 = RHS\\ So, \: \: LHS \: = \: RHS$

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