SOLUTION: Find the solution sets to the following quadratic equations. Remember to first put into standard form if necessary. 1. 3x^2+4x^2=35 3x^2-28=2x^2+33 x^2-25=50

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Question 451243: Find the solution sets to the following quadratic equations. Remember to first put into standard form if necessary.
1. 3x^2+4x^2=35
3x^2-28=2x^2+33
x^2-25=50
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

1.
a.
3x%5E2%2B4x%5E2=35
7x%5E2=35
x%5E2=35%2F7
x%5E2=5
x=-+sqrt%285%29=-+2.2

b.
3x%5E2-28=2x%5E2%2B33
3x%5E2-2x%5E2=28%2B33
x%5E2=61
x=-+sqrt%2861%29=-+7.8
c.
x%5E2-25=50
x%5E2=25%2B50
x%5E2=75%7D%7D%0D%0A%0D%0A%7B%7B%7Bx=-+sqrt%2875%29=-+8.7