Friday

March 27, 2015

March 27, 2015

Posted by **jasmine20** on Thursday, March 29, 2007 at 3:25pm.

simplify

(7 + radical (5))(7- radical (5))

for this one i have no idea

(a+b)*(a-b)= a^2 - b^2

memorize that, it is the factors of the difference of squares.

In this case, a=7, b= sqrt5

so, it simplifies to 49-5=44

So , i don't always have to leave it in a radical form for the answers?

**Answer this Question**

**Related Questions**

math, correction,plz - can someone correct these for me plz.... Problem#36 Use ...

math,correction plz - can someone correct my math...thanks... Perform the ...

math,correction - Simplify by combining like terms. Problem #32 radical (63) - 2...

math , help,algebra - i am up to this point in my problem but i don't know what ...

math,correction,plz - can someone correct these for me plz. Simplify by ...

math,correction - Can somoene helpme plz... Simplify radical 7 * radical 14 ...

math,correction plz - Perform the indicated division. Rationalize the ...

math,correction,plz - Perform the indicated division. Rationalize the ...

Math,correction Plz - Can someone correct these for me please. Problem #68 ...

math,correction - problem #50 Perform the indicated division. Rationalize the ...