Question

Find the sum of (4u with exponent of 2 -7u +6 and 10u with the exponent of 2 -7u -9

Answer 1

`(4u^2-7u+6)+(10u^2-7u-9)`

In order to find the sum of the expressions, we group the terms that have the same exponents maintaining the signs

`(4u^2+10u^2)+(-7u-7u)+(6-9)`

then, simplify each term

`14u^2-14-3`