Answer:
x2 - 4x - 21
Step-by-step explanation:
Area = (x -7 )(x +3)
= x*x - 7*x + x*3 - 7*3
=x2 - 4x - 21
Answer:
im not sure but i think 3
Step-by-step explanation:
Answer:
no no
Step-by-step explanation:
nah nahnah nahnah nahnah nahnah nahnah nahnah nah
i think maybe ? x+20*2=5-2*x
Answer:
i think 10
Step-by-step explanation: