solve by completing the square:
-3X^2-18X-35=0
(it's the letter X not a times)
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Factoring 8x2-18x-35
The first term is, 8x2 its coefficient is 8 .
The middle term is, -18x its coefficient is -18 .
The last term, "the constant", is -35
Step-1 : Multiply the coefficient of the first term by the constant 8 • -35 = -280
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