# Marcus finds that (3x^2-2y^2+5x)+(4x^2+12y-7x)= 7x^2-10y^2-2x What error did Marcus make? A: He combined the terms 5x and –7x incorrectly. B: He combined the terms 3x^2 and 4x^2 incorrectly. C: He combined the terms –2y^2 and 12y^2 incorrectly. D: He subtracted the polynomials instead of adding.

### Please login to view the answer

## Related Questions

### Please login to view the answer

What's the part of an expressions that are added or subtracted

### Please login to view the answer

### Please login to view the answer

### Please login to view the answer

### Please login to view the answer

### Please login to view the answer

What is 15x9??????????????????????????????????????

### Please login to view the answer

### Please login to view the answer

### Please login to view the answer

If a woman making $25 an hour gets a 10% raise, how much will she now make in a 8 hour work day?

### Please login to view the answer

### Please login to view the answer

### Please login to view the answer

(6x 8) (–7x– 11) Add. Use a model if you want.

### Please login to view the answer

### Please login to view the answer

### Please login to view the answer

A copy machine copies 28 papers per minute. How many copies does it make in 3 minutes and 15 seconds

### Please login to view the answer

I don't get how to make y=-4/5x-7 in standard form using integers

### Please login to view the answer

### Please login to view the answer

### Please login to view the answer

### Please login to view the answer

### Please login to view the answer

### Please login to view the answer

### Please login to view the answer

### Please login to view the answer

### Please login to view the answer

### Please login to view the answer

### Please login to view the answer

### Please login to view the answer

For the parallelogram, if measure of angle 2 is 5x-28 and measure of angle 4 is 3x-10