Answer:
Step-by-step explanation:
Are there any answer choices?
Remmeber you can do anything to an equaiton as long as you do it to btoh sides
5-6(a+2)=7+a
distribute
5-6a-12=7+a
add like terms
-6a-7=7+a
add 6a both sides
-7=7+7a
minus 7 both sides
-14=7a
divide by 7
-2=a
a=-2
Answer:
7x^2 - 52x + 5
Step-by-step explanation:
if you dont know what that weird symbol is, it means to the power of 2
Hope this helps, can i have brainliest