Question

solve the quadratic by taking square roots. as=a,-a where a and -a are the values you found when solving. 3x^2-7=140

Answer 1

Answer:

x=-7 OR X=7

Step-by-step explanation:

3x^2-7-140=0

3x^2-147=0

x^2=49

x=±7

x= -7 OR x=7

hope u helped :)