Answer:
Explanation:
y = 25x² + 60x + 36
= 25(x² + 2.4x) + 36
= 25(x² + 2.4x + 1.2²) - 25·1.2² + 36
= 25(x+1.2)² + 0
vertex (-1.2,0)
axis of symmetry x = -1.2
(5x+6)2 is your answer
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