SOLUTION: Show work please Solve the quadratic equations in questions 1 - 5 by factoring. 1.    x^2 - 49 = 0 2.    3x^3 - 12x = 0 3.    12x^2 + 14x + 12 = 18 4

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Question 1154246: Show work please
Solve the quadratic equations in questions 1 - 5 by factoring.
1.    x^2 - 49 = 0
2.    3x^3 - 12x = 0
3.    12x^2 + 14x + 12 = 18
4.    - x^3 + 22x^2 - 121x = 0
5.    x^2 - 4x = 5

Found 2 solutions by josgarithmetic, MathLover1:
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
Too many for just one single posting.
Maybe say exactly what you have trouble to understand.

Picking just
, and recognize how the 22 and the 121 are related;


Very obviously, either x=0 or x=11.



-
Look very carefully:





-
or if starting from the binomial to be multiplied,


, the quadratic started from.

Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!

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4.




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5.






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