3x^2-18+5=47
3x^2 = 60
x^2 = 20
x = 4.472 , x = - 4.472
Again, a^2+b^2=c^2
c=10
b=9
10 squared is 100
9 squared is 81
100-81=19
The square root of 19, rounded to the nearest hundredth, is 4.36
2, he answer is 2 do not question my answer
Answer:
I hope it will help you..
Answer:
9x^2 - 3x - 30
Step-by-step explanation:
3x l 5
3x l 9x^2 l 15x
l ----- l ------
-6 l -18x l -30
