Add numbers with the same amount of variables
-x^2 + (-7x^2) = -8x^2
– 28x (+ 14x )= -14x
7 (+ 8) = 15
-18x² - 14x + 15 is your answer
hope this helps
Answer:
Teachers are idiots that's why :)
Answer:
Factorization
Step-by-step explanation:
This can be easily factorized into (x+7)(x+9)=0 which can be solved for the two roots x = -7 and x = -9
Answer:36
becuse if you maltiply 15 by 3 it makes 45 and you can maltiply 12 by 3 and you will get your answer
Answer:
60sq ft
Step-by-step explanation: