Question

Answer It With Process

Answer 1

Answer:

72

Step-by-step explanation:

$3x + 2y = 12$

( $3x + 2y$ $)^{2}$ = 144

$= 9x^{2} + 4y ^{2} + 12xy = 144\\\\= 9x^{2} + 4y ^{2} + ( 12 * 6) = 144\\\\= 9x^{2} + 4y ^{2} + 72 = 144\\\\= 9x^{2} + 4y ^{2} = 144-72\\\\=72$

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Answer 2

Answer:

i will check your answer in applications

ig it's true then i will make you brainly ☺️✌️

Step-by-step explanation:

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