Question

PLz help me that will help if you do

Answer 1

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$3x {}^{2} + x \\ 3(4) {}^{2} + 4 \\ 3(16) + 4 \\ = 48 + 4 \\ = 52$

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Answer 2

Answer:

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

$3 \times 16 + 4$

$= 48 + 4$

$= 52$