Friday

August 1, 2014

August 1, 2014

Posted by **david** on Sunday, March 14, 2010 at 2:12pm.

a) 9x^2 - 49

b) 9x^2 - 121

c) 49x^2 - 25x^2

thankyou

- math -
**Reiny**, Sunday, March 14, 2010 at 5:47pmLook up "difference of squares"

Each of your questions is a basic example of that type.

**Related Questions**

math - factorise 1. 3a^2 - 2a - 8 2. 3x^2 + 31 + 10 3. 64y^2 - 49 please help ...

math - Thank u drwls n u obakeng now plz factorise this one. 25x^2-25xy+6y^2

Maths - Factorise these quadratics X^2-36 X^2-121 X^2-169

Maths - Can someone factorise 25x^2-25xy+6y^2 show your work please

Algebra 2 - what is the opposite of 49x^2y A. 49x^-2y b. -49x^2y c. 1/49x^2y d...

Algebra - -9+3w/11 divided by 25w-75/121 Do I need a Common denominator? Would ...

Math ASAP please - 13. Mia charges $2.25 per hour when she babysits, plus $5.00 ...

algebra 2 - evaluate if possible 1. square root -121 A not a real number 2. ...

math - help my daughter has a math problem and came to me for help, I am lost...

maths - I don't understand what to do at all, I've several like this if someone ...