14. Which of the following equations cannot be solved by factoring?
A. x2 + x - 3= 0
C. x2 + 10x + 25 = 0
B. 3x2 - 5x = 0
D. x2 - 36 = 0
A. x2 + x - 3= 0
C. x2 + 10x + 25 = 0
B. 3x2 - 5x = 0
D. x2 - 36 = 0
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Answer:
A. x2 + x -3
Step-by-step explanation:
A. not factorable
B. x^2 + 10x +25 =0
( x + 5 ) ( x +5 )
:Use the foil method
=x^2 + 10x +25
C. 3x^2 - 5x = 0
1x ( 3x - 5 )
D. x^2 - 36 =0
( x + 6 ) ( x - 6 )