I did it on the calculator and the answer is 7.77777777778
The in is -5 the out for 7 is -21 the out for -3 is 9the infor 15 is -5 the out for -10 is 30
You need to expand (4x-7)(x+3), multiplying each term in the first bracket by each term in the second bracket, in order to get 4x^2+5x-21. Hope that helps!
DF is half of AC, so DF=25
Answer: x^12
Explanation: When the base (x) is the same and they are being multiplied the exponents are added. This is called/because of “The Product Rule for Exponents”.