Answer:
21x^2-4
Step-by-step explanation:
6x^2-10
You add like terms. All the x^2 you add them and you add together the ones that are not multiplied by x. Make sure to distribute the negative.
Yes
rectangle a has a 2 to 3 ratio in length and width same with rectangle b
18
X + 12 = 30
-12. -12. Subtract 12
X = 18. Answer
Plugging in values, we get that (1,-4) works.
the answer is 5q6-3
first you add your all of your like terms then you make sure to look at you sign and add or subtract correctly ( 8q-3q = 5q) (3+3) (3) = 5q6-3
