Question

Factorise 16z square+1+8z

Answer 1

➡ 16z² + 8z + 1 = 0

➡ 16z² + 4z + 4z + 1 = 0

➡ 4z(4z + 1) + 1(4z + 1) = 0

➡ (4z + 1)(4z + 1) = 0

➡ 4z + 1 = 0 ; 4z + 1 = 0

➡ 4z = 0 - 1 ; 4z = 0 - 1

➡ 4z = - 1 ; 4z = - 1

➡ z = -1/4 ; z = -1/4

Hence, z = -1/4 or -1/4

Step-by-step explanation:

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Answer 2

Answer:

16z^2+4z+4z+1=4z(4z+1)+1(4z+1)=(4z+1)^2