Write the quadratic equation in standard form:
9 – 7x2 + 4x2 = -2x – 5 + x2

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine, t, the number lf tokens jason bought