The sum of 4x^2-3x+6-7x^2+3x+6

-3x^2 + 12

Step-by-step explanation:

You combine like terms. So 4x^2 -7x^2, 3x-3x, 6+6.

-3x^2+12

Step-by-step explanation:

4x^2-3x+6-7x^2+3x+6

collect like terms:

4x^2-7x^2-3x+3x+6+6

-3x^2+12

since -3x+3x have opposite sign the result is 0 so remove them from the expression

The answer will be : -3x^2+12

.632

step-by-step explanation:

6 * 1/10 = 3/5

3*0.01 = 0.03

3/5 + 0.03 = .63

2*0.002 = .002

.63 + 0.002 = .632