perefect square trinamial

What is the method where (a+b)² = a² + 2ab + b²?

• Perfect square trinomial

• Diamond method

• Master product property

• GCF

fully factor 3a2−9a−30

• 3(𝑎2−3𝑎−10)

• 3(a-5)(a+2)

fully factor 8a^2+4a

• 8a(2a+1)
• 4a(2a+1)

• 4a(5a+6)

• 4a(5a-2)

x2 + 24x + 144

• (x - 12)2

• (x + 12)2

• not a perfect square

• (x + 12)(x - 12)

b2 - 12b + 36

• not a perfect square

• (b + 6)2

• (b - 6)2

• (b + 6)(b - 6)

x2 - 4xy + 4y2

• (x - 2y)(x + 2y)

• ) (x + 2y)2

• ) (x + 2y)2

• not a perfect square

x2 - 12x + 144

• (x + 12)2

• not a perfect square

• ) (x + 12)(x - 12)

• (x - 12)2

64x2 + 48x + 9

• (8x + 3)2

• (8x + 3)(8x - 3)

• (8x - 3)2

• not a perfect square

x2 - 30x + 225

• (x - 15)2

• (x - 15)2

• (x + 25)2

• (x+15)2

x²+2x+1

• (x+1)(x+1)
• x(x+1)
• (x+1)²
• x²+1