3(x+5)^2-12=0. What does x equal
2 answers:
Answer:
x=−3 or x=−7
Step-by-step explanation:
Let's solve your equation step-by-step.
3(x+5)2−12=0
Step 1: Simplify both sides of the equation.
3x2+30x+63=0
Step 2: Factor left side of equation.
3(x+3)(x+7)=0
Step 3: Set factors equal to 0.
x+3=0 or x+7=0
x=−3 or x=−7
Answer: x=-3 and x=-7
work is in the attachment provided.
You might be interested in
Hdhdhdhpenishdhdhdhdhindhhdhdhyourhdhdhdhdhdhnouthdhhdhdhdh
Answer:
positive
Step-by-step explanation:
it is positive
<h3>
Answer: 1250 kg of sand</h3>
Work Shown:
sand/gravel = 5/3
x/750 = 5/3
3x = 750*5
3x = 3750
x = 3750/3
x = 1250
Answer:
19 miles
Step-by-step explanation:
7.85-5
285/15=19
Set y=ax+b pass (7,-9) (5,6)
=》-9=7a+b
6=5a+b
=》2a=-15
a=-15/2
b=6-5a=6+37.5=43.5
=》y= -15/2(x)+43.5
2y+15x=87
