Question

simplify (3a + 4b)²​

Answer 1

Answer:

9a² + 16b²24ab

Step-by-step explanation:

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Answer 2

Answer:

BY USING FORMULA :

$a ^{2} + 2ab + b {}^{2}$

so,

$3a {}^{2} + 2 \times 3a \times 4b + {4b}^{2}$

SOLUTION:

$3a { }^{2} + 6a + 8b + 4 {b}^{2}$

Now do remaining calculations