Answer:
b=12
Step-by-step explanation:
a^2+b^2=c^2
(9×9) + b^2= 15×15
81+ b^2= 225
-81. -81
b^2=144
√. √
b= 12
Answer:
3
Step-by-step explanation:
We simply start by opening up the bracket
we have this as:
x^2(x-3x) = x^3 - 3x^2
The degree is simply the highest power of x
This is 3
Answer:
Standard form of a quadratic equation is;
ax^2+bx+c=0
According to the above equations, all of them are in standard form.
Step-by-step explanation:
