15x^2-16x-15=0 factor method
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Answered by
4
Step-by-step explanation:
15x²-16x-15 = 0
the factors of 15 are 3 and 5
(5x5)-(3x3) = 25 - 9 = 16
15x²-25x + 9x -15=0
5x(3x-5) + 3(3x-5)=0
x= -3/5 or 5/3
Answered by
2
Step-by-step explanation:
The factor of 15 are 3 and 5
(5×5)-(3×3)=25-9=16
15x^2 -25x+9x-15=0
5×(3x-5)+3(3x-5)=0
x=-3/5 0r5/3
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