Mandysweetheart
Mandysweetheart
01-05-2014
Mathematics
contestada
What is (x-5) (x+5)?
Respuesta :
TacoGod
TacoGod
01-05-2014
[tex](x-5)(x+5)\\FOIL\ Method\\\\First \\x*x=x^2\\\\Outside\\x*5=5x\\\\Inside\\-5*x=-5x\\\\Last\\-5*5=-25 \\\\ Combine\ like\ terms.\\\\-5x+5x=0x\\\\Combine\ together\\\\x^2-25[/tex]
Hope this helped :)
Answer Link
kate200468
kate200468
03-05-2014
[tex](x-5) (x+5)=x\cdot x+5\cdot x-5\cdot x-5\cdot5=x^2+5x-5x-25=\\ \\=x^2-25[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 51+ )
Otras preguntas
If (x2 +3x +5)(x2 +3x - 5) = m2-n2, then find m ?
If the sales tax is 7% and the purchase price is $161, what is the amount of tax?
Write 160,000,000 in exponential form
what is π to the 6th digit
what is cryptography
What invention brought Europe out of the Dark Ages? Who introduced it and when?
rohit marks his goods at 40% above the cost price but allows a discount of 5% on cash payment to his customers. What actual profit does he make if he recieves
if cos θ -sin θ =1, find θ cos θ +sin θ?
If (x2 +3x +5)(x2 +3x - 5) = m2-n2, then find m ?
Organizers for a high school graduation have set up chairs in two sections. They put 126 chairs for the graduates in the front section and 588 chairs for guests
