niaziathomas niaziathomas
  • 01-09-2014
  • Mathematics
contestada

Factor the expression -10x^2-41x-21

Respuesta :

konrad509
konrad509 konrad509
  • 02-09-2014
[tex] -10x^2-41x-21=\\ -10x^2-35x-6x-21=\\ -5x(2x+7)-3(2x+7)=\\ -(5x+3)(2x+7)[/tex]
Answer Link
Lilith
Lilith Lilith
  • 02-09-2014
[tex]-10x^2-41x-21= -(10x^2+41x+21) =-(10x^2+35x+6x+21)=\\\\=- [(10x^2+35x)+(6x+21 )]=- [5x(2x +7 )+3(2x+7 )]=-(2x+7)(5x+3)[/tex]


Answer Link

Otras preguntas

What is 100,203 in expanded form
Write the number in two other forms 0.632
why did general MacArthur address congress after he was fired.?
What kind of sentence is Merlin carried the baby to safety
Ten pints of 15 % salt solution are mixed with 15 pints of 10 % salt solution. What is the concentration of the resulting solution?
how to estimate, then find the sum of137,638 + 52,091
if five notebooks cost $5.25 , how much would three notebooks cost?
how would i solve A= 1/2bh for b
what is V=LWH for L?
Write one sentence to describe Geography.