The sum of 3x^2 + x + 8 and x^2 - 9 can be expressed as ?

4x^2 + x - 1

Step-by-step explanation:

3x^2 + x + 8 + x^2 - 9 = 4x^2 + x - 1

4x^2 + x + 3

Step-by-step explanation:

Here, we want to find the sum of the two polynomials

That would be ;

3x^2 + x-7 and x^2 + 10

Adding means we are taking like terms together

That would be

3x^2 + x ^2 + x -7 + 10

= 4x^2 + x + 3

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.