byronseals01
byronseals01 byronseals01
  • 14-06-2020
  • Mathematics
contestada

What substitution should be used to rewrite 6(x + 5)2 + 5(x + 5) – 4 = 0 as a quadratic equation?

Respuesta :

CharlotteNastov
CharlotteNastov CharlotteNastov
  • 14-06-2020
(6 + 5)(x +5) - 4 = 0
Answer Link
surjithayer10 surjithayer10
  • 14-06-2020

Answer:

Step-by-step explanation:

put x+5=t

6t²+5t-4=0

solve for t and then find x

6t²+8t-3t-4=0

2t(3t+4)-1(3t+4)=0

(3t+4)(2t-1)=0

t=-4/3,1/2

x+5=-4/3

x=-4/3-5=-19/3

or x+5=1/2

x=1/2-5=-9/2

Answer Link

Otras preguntas

Find the área of a trapezoid with a height of 4ft, base of 5ft and short base of 2
Which genera of the Enterobacteriaceae are known to cause diarrhea and are considered enteric pathogens?
For questions 1-3, find the measures of the angles in the picture below 52° 1. What is the measure of ZBAE ? 2. What is the measure of LCAD? 3. What is the meas
he principle of mercantilism encouraged nations to keep economics separate from politics true or false
60 divided by I is 15
what characteristics of life can you identify in this figure?​
Please Help me! Algebra 1
Can anyone write a summary of this pls in a paragraph pls!!!!!!!!!
Can someone please help me with these math problems
Many vectors are designed to double in size whenever a new element is inserted into a full vector. This operation may entail allocating a new array that is twic