Factor 4x^2+16

$4 x^{2} + 16$

Step 1

Factor $4$ out of $4 x^{2}$ .

$4 (x^{2}) + 16$

Step 2

Factor $4$ out of $16$ .

$4 x^{2} + 4 \cdot 4$

Step 3

Factor $4$ out of $4 x^{2} + 4 \cdot 4$ .

$4 (x^{2} + 4)$

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