Micah was asked to add the following expressions: 3x2−x−9x2+3x+2+−2x2+2x+5x2+3x+2 first, he combined like terms in the numerator and kept the common denominator. x2+x−4x2+3x+2 next, he simplified the expression by canceling the like term, x2. his final, simplified answer was: x−43x+2 did micah add the expressions correctly? explain your answer using complete sentences.

Given expression:

We need to add the given rational expressions.

First step: Combined like terms in the numerator and kept the common denominator.

Second step they applied : Canceling the like term x^2 and got

Note: We can't cancel like terms in top and bottom like this.

We can cancel out common factors in top an bottom.

the answer is 28

step-by-step explanation:

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: