lindseyscott080 lindseyscott080

12-12-2019
Mathematics

contestada

Solve for z: z2 + 7z + 8 = 3z + 5

Respuesta :

Аноним Аноним

12-12-2019

Answer:

z=−1 or z=−3

Step-by-step explanation:

Subtract 3z + 5 from both sides

z2+7z+8−(3z+5)=3z+5−(3z+5)

z2+4z+3=0

Factor left side of equation

(z+1)(z+3)=0

Set factors equal to 0

z+1=0 or z+3=0

z=−1 or z=−3

Answer Link

Otras preguntas

find ab. round to the nearest tenth if necessary

A jetliner flies east 2000 miles from San Francisco to Chicago. It has an average air speed of 600 mph relative to the air. What is the velocity of the jetliner

Propaganda is primarily used by government to

Which of Juliet’s lines best shows her respect for her mother? And stint thou too, I pray thee, nurse, say I. And palm to palm is holy palmers’ kiss. Go, ask h

If someone could help me with stem-changing verbs in Spanish it would be greatly appreciated.

How many cubes with side lengths of 1/3 cm does it take to fill the prism?

Which net folds into the rectangular prism above?

how many elements in nature are there and what are they

Read the following sentence from thepassage."All those who enter this sacredtomb shall be visited by thewings of death."Which of the following BEST explains the

I need help asap please ?!