Question

$(4 + 9)squar = \\ 4squar +2 \times 4 \times 9 + 9squar \\ = 16 + 72 + 81 \\ = 88 + 81$
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Answer 1

Answer:

$88 + 81 = 169$

Answer 2

Answer:

Step-by-step explanation:

(4+9)^2

=(4^2) +(9^2)

=16+81

=97