Question

what should be added to 169+4xsquare. to get a perfect square trinomial

Answer 1

Answer:

52x

Step-by-step explanation:

$169 + 4x^2$

we can complete this square by adding 52x

$169+4x^2+52x$

$4x^2+52x+169$

$(2x)^2 +$ 2×$2x$×13 + $13^2$

$(2x+13)^2$

Answer 2

Answer:

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