Math, asked by aliyashamim12345, 5 days ago

(3+9)²

algebraic expressions formula please

Answers

Answered by rr9965562

1

Answer:

formula :

(a + b)2 = a2 + 2ab + b2

Answered by shiza7

57

Answer:

( a + b)²= a²+2ab+ b²

= (3+9)²

= 3²+2*3*9+ 9²

= 9+ 54+81

= 144 ✓

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