+118609 4ac2 10d2x2 5x 12a2c2
Do you mean
4ac^2 *10d^2x^2 * 5x * 12a^2c^2 ?
You need to learn to use the hat ^ symbol for powers.
which is
\(4ac^2 *10d^2x^2 * 5x * 12a^2c^2\\~\\ =4*10*5*12 * a^1\;c^2\; d^2\;x^2\; x \;a^2\;c^2\\~\\ =4*10*5*12 * a^3\;c^4\; d^2\;x^3\\~\\ =2400\; a^3\;c^4\; d^2\;x^3\\~\\ \)
