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Posted by **kathy** on Saturday, June 23, 2012 at 5:29pm.

180s^2+300sf+125f^2

- algebra1 -
**MathMate**, Saturday, June 23, 2012 at 5:45pm180s^2+300sf+125f^2

Take out common factor of the coefficients, namely 5

5(36s²+60sf+25f²)

=5((6x)²+2*(30sf)+(5f)²)

the expression inside parentheses is in the form of a perfect square.

Try to factorize accordingly.

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