5x^2 + 14x - 3x^2 - 9 = 2x^2 + 14x - 9
You can expand the first expression in parentheses, then add or subtract like terms.
If you mean: x squared -14x +45 then when factored it is (x-9)(x-5)
-x - 2 + 15x = 14x - 2 = 2(7x - 1)
2x2+14x
5x^2 + 14x - 3x^2 - 9 = 2x^2 + 14x - 9
It is 14x+4 simplified
You can expand the first expression in parentheses, then add or subtract like terms.
If you mean: x squared -14x +45 then when factored it is (x-9)(x-5)
-x - 2 + 15x = 14x - 2 = 2(7x - 1)
-x2+14x=49
14x + 11
2x2+14x
(x2 + 14x + 49) = (x + 7)2
14x(x + 2)
x2 + 14x + 48 = (x + 8)(x + 6)
14x+7y=-9