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2xsquere+4x+8is equals to zero |
| Answer» X = - 1 ± √5 Given 2x² + 4X - 8 To Find x Solution 2x² + 4x - 8 = 0 ⇒ x² + 2x - 4 = 0 ⇒ x² + 2x = 4 Use the method of COMPLETING SQUARE ⇒ x² + 2x + 1 = 4 + 1 [ ∵ Adding 1 on both sides ] ⇒ ( x + 1 )² = 5 ⇒ x + 1 = ± √5 ⇒ x = -1 ± √5Hope it helpsFOLLOW ME✌ | |