C is tevanswer out I think so
Answer: =x4+3x3+2x2−4
Step-by-step explanation:
(x2+3x+2)(x2)−4
Distribute:
=(x2)(x2)+(3x)(x2)+(2)(x2)+−4
=x4+3x3+2x2+−4
Answer:
4 + x =5
Step-by-step explanation:
By adding a variable you can set up an addition sentence
