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December 20, 2014

December 20, 2014

Posted by **Jim** on Tuesday, April 2, 2013 at 10:25am.

1) (x+3)^2 - (x+1)^2

2) (x-4)^2-16(x+2)^2

3) 4(x+1)^2 -(2-x)^2

- Math -
**mani**, Tuesday, April 2, 2013 at 1:17pmall these can be solved by using the formula

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

(1)---> ans. is (2x+4)*(2)

(2)---> ans. is (5x+4)*(-3x-4)

(3)---> ans. is (3x+6)*(5x-2)

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