12-(-3)= 12+3=15, so the difference is 15 points
The answer would be x + x + 2 = 72. Combine like terms so that 2x + 2 = 72. 2x = 70 and x = 35.
Answer:
The figures are not similar
Step-by-step explanation:
we know that
If two figures are similar, then the ratio of its corresponding sides is proportional and this ratio is called the scale factor
so
Verify
BC/JI=AB/FJ=ED/GH
substitute the given values
5.1/3.6=2.8/2.1=3.7/2.7
1.417=1.333=1.370 ------> is not true
therefore
The figures are not similar
The only way to do this is by long division of polynomials. That's because the quadratic doesn't factor with real numbers and you can't cancel out from numerator to denominator. Set up your problem with the x-squared term inside the division box and the x + 6 outside. It's quite impossible to demonstrate long division in this forum, so your answer is going to be x-7 R3. I do suggest you learn this, though, as it is very important as you advance in your math classes in school.