(k+4) (k-4) the numbers have to multiply up to what ever the number is. so the number is 16 and 4 times 4 is 16. also a pluss and minus makes it into a negative number like the equation
The correct answer is 7 :)
<span>4a^3 - 6a^2 -a^3 + 3a^2
= 3a^3 - 3a^2
-----------</span>
the answer to your question is 7
The answer would be x + y = 37 y = x + 5 x + (x + 5) = 37 2x = 32 x = 16 y = 21Hope I helped!
