antsantpr antsantpr

15-11-2019
Mathematics

contestada

Complete the square to transform the quadratic equation into the form (x – p)2 = q.

x2 - 12x - 5 = 7

Respuesta :

SvetkaChem SvetkaChem

15-11-2019

Answer:

(x - 6)² = 48

Step-by-step explanation:

We can solve it by completing square:

x² - 12x - 5 = 7

x² - 12x = 12

x² - 2*6x =12

We need to use formula

a² + 2ab + b² = (a + b)²

x² - 2*6x + 6² - 6² = 12

(x - 6)² = 12 + 36

(x - 6)² = 48

Answer Link

Otras preguntas

help please????????????

I NEED HELP ASAPP!!! DUE IN 20 MINSS Of the following, which best describes the framework for the Constitution? Select all that apply. A. A system of checks an

How are ocean ridges and trenches related?

what is the dispute in the presidential election of 1876 how was it resolved

solve this for me please and thank you

Help pleaseeeee brainliest to whoever helps No links

8 − (7 − 4) + 12 x 2? I got 34 but my calculator said that's wrong and its 21 but 21 isn't an answer nor is 34, are any of these correct?? please help A 29 B 11

So long as all five Hardy-Weinberg conditions remain true within a population, we consider them to be at __ as evolution cannot possibly happen gene pool allele

State if the sentences are active or passive

What is the mass of a child that has a KE of 400 J who is riding her bike at 3.9 m/s?