I believe the 3rd answer down if the information you provided is correct
Squaring the sum on the top, rules out 1 and 2 (not squaring the 7 only)
then 4 times the difference. so I believe 4 (x-1) on the bottom.
Answer:
-1 -5 +9 = 3
Step-by-step explanation:
<h2>¡Hola! </h2>
<h2>Explicación paso a paso Espero que te ayude</h2>

<h2>Espero que te ayude </h2>
Answer:
If you mean 4x to the power of 3 - 18x to the power of 2 +3x -13 then the answer is false
Answer:
He should mix 25 liters of the 30% solution, and 35 liters of 60% solution.
Step-by-step explanation: