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Produof root of X2+5x-5 |
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Answer» Step-by-step explanation: FIRST, bring the equation to STANDARD FORM: y = x 2 + 5 x + 5 = 0
Use the improved quadratic formula (Google SEARCH) D = d 2 = b 2 − 4 a c = 25 − 20 = 5 --> d = ± √ 5
There are 2 real ROOTS: x = − b 2 a ± d 2 a = − 5 2 ± √ 5 2 = − 5 ± √ 5 2 |
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