Question

factorize 3z^2-19z+30​

Answer 1

Step-by-step explanation:

3z^2 -19z +30

3z^2-10z-9z+30

3z^2-9z-10z+30

3z(z-3)-10(z-3)

(3z-10)(z-3)

for value of z

3z-10=0

3z=10

[z=10/3]

z-3=0

[z=3]

Answer 2

Answer:

(3z−10)(z−3)

Step-by-step explanation:

Factor 3z2−19z+30

3z2−19z+30

=(3z−10)(z−3)

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