-2(x + 5)(x - 6)
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4x+35-2x+25 = 6 2x+60 = 6 2x = 6-60 2x = -54 x = -27
14x - 14 = 2x + 46 14x - 2x = 46 + 14 12x = 60 x = 5
60-2x = 70-4x 60-2x+2x = 70-4x+2x 60 = 70 +2x 60-70 = 70 + 2x - 70 -10 = 2x x = -10/2 = -5
Add the two equations you get 5y = 60 so y = 12 and x = 2
(4x3)+(20x2)+(2x-3) if you simplify it down first: (12)+(40)+(2x-3) because we aren't multiplying, and there is no negative signs between brackets, we can just take out the brackets and simplify: 12 + 40 + 2x - 3 = 60 + 2x - 3 =57 + 2x =2x + 57 to factorise this, 2(x+28)+1 this is it factorised, but you can have lots of answers. the simplest form is 2x + 57. double check your signs are right, and you've written down the question properly. * * * * * 12 + 40 = 60? Since when? In any case, i suspect the questioner intended 4xcubed plus 20xsquared plus 2x minus 3 but the browser does not like superscripts.