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Posted by Joe on Saturday, September 29, 2012 at 8:42pm.
How do I solve this?(7x+5y)^2
Nothing to solve, since you don't have an equation. If you want to expand your expression, then (7x + 5y)^2 = (7x+5y)(7x+5y) = 49x^2 + 70xy + 25y^2
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