Question

Obtain the factors of z2 – 4z - 12.​

Answer 1

Answer:

hey mate check it

=> Factor z^2+z+1/4

z2+z+14z2+z+14

Factor using the perfect square rule.

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Rewrite 11 as 1212.

z2+z+124z2+z+124

Rewrite 44 as 2222.

z2+z+1222z2+z+1222

Rewrite.

z2+z+(12)2z2+z+(12)2

Check the middle term by multiplying 2ab2ab and compare this result with the middle term in the original expression.

2ab=2⋅z⋅122ab=2⋅z⋅12

Simplify.

2ab=z2ab=z

Factor using the perfect squaretrinomial rule a2+2ab+b2=(a+b)2/2a2+2ab+b2=(a+b)2, where a=za=z and b=12b=1/2.

(z+1/2)2

Step-by-step explanation:

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Answer 2

Answer:

Yeh hai bhyi answer....

Step-by-step explanation:

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