Question

(6+9)
$(6 + 9) {2}$
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Answer 1

Step-by-step explanation:

6 + 9 = 15

( 6 + 9 ) ^2

( a + b )^2 = a^2 + b^2 + 2ab

Answer 2

$(6 + 9 {)}^{2} = (6 {)}^{2} + (9 {)}^{2} + 2(6)(9)$

=36+81+108

=225