HELP PLZ I GIVE BRAINLEST FIRST COME FIRST SERVE GOD BLESS YOU

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

2x²+2=14

Step 2: Subtract 2 from both sides.

2x²+2 −2  =14 −2

2x²=12

Step 3: Divide both sides by 2.

2x²÷ 2  =12 ÷ ²

x²= 6

Step 4: Take square root.

x= √ 6

x=6 or x=−6

10.416 m/s

step-by-step explantion:

distance=100m

time= 9.6s

average speed=100/9.6

=10.416 m/s

yes

step-by-step explanation:

so of course you want to start by plugging the 5 in which goes to 7(5)+3(5)=50 because 7*5=35 and 3*5=15 and then add them together, then plug in the 5 to the other equation as well 9(5)+5=50 because 9*5= 45 and then add 5 and so yes they are equivalent.