1.a²+6a+9
2.j⁶-12j³+36
3.9k²-30km+25m²


1) a²+6a+9
(a+3)(a+3)
________
O=3a
I=3a
= 6a
(a+3)²

2) j⁶-12j³+36
(j³-6)(j³-6)
0=-6j³
I=-6j³
=-12j³
(j³-6)²

3) 9k²-30km+25m²
(3k-5m)(3k-5m)
O= -15km
I= -15km
= -30km
(3k-5m)²

it's True or False?
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