Answer:
5x^2-20x
Step-by-step explanation:
distribute the 5x to the x and the -4
Answer:
Volume of Cube = length cube
Total surface area=2(lb+lh+bh)
Volume of Cuboid=l×b×h
I think it will help you.
Since the equation is a true one, then it is an identity.
<h3>How to illustrate the information?</h3>
It should be noted that the information given is represented as 9(a−4)+3(2a+5)=7(3a−4)−6a+7.
After using the distributive law, the value that will be gotten will be:
15a - 21 = 15a - 21.
Therefore since the equation is a true one, then it is an identity.
Learn more about equations on:
brainly.com/question/2972832
#SPJ1
D and a because they both dont change the answer and b