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what is the answer to 2x^2 - 3x - 15 = 5

Sagot :

2x²-3x-15=5
2x²-3x-15-5=0
2x²-3x-20=0
½(2x+5)(2x-8)

-2x=-5
x=-5/2


2x-8=0
2x=8
x=4




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