document.write( "Question 858562: (10x+7)^2=2(32x^2+70x+25)I'm completely confused. Could you give me step by step. (State factoring type aswell) \n" ); document.write( "
Algebra.Com's Answer #517338 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! (10x+7)^2 = 2(32x^2+70x+25) \n" ); document.write( "FOIL the left side, distribute the right side \n" ); document.write( "(10x+7)(10x+7) = 64x^2 + 140x + 50 \n" ); document.write( "100x^2 + 70x + 70x + 49 = 64x^2 + 140x + 50 \n" ); document.write( "Combine like terms on the left \n" ); document.write( "100x^2 - 64x^2 + 70x + 70x - 140x + 49 - 50 = 0 \n" ); document.write( "36x^2 - 1 = 0 \n" ); document.write( "Factors as the difference of squares \n" ); document.write( "(6x+1)(6x-1) = 0 \n" ); document.write( "6x = +/-1 \n" ); document.write( "x = +/- |