STEP-BY-STEP SOLUTION:
0 = ( 5x + 13 ) ( 3x + 7 )
0 = 15x^2 + 35x + 39x + 91
0 = 5x ( 3x + 7 ) + 13 ( 3x + 7 )
0 = ( 3x + 7 ) ( 5x + 13 )
3x + 7 = 0
3x = - 7
x = - 7 / 3
5x + 13 = 0
5x = - 13
x = - 13 / 5
ANSWER:
Therefore, there are two solutions to this problem. The answer is:
x = - 7 / 3
&
x = - 13 / 5
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