Find the discriminat 2x^2 + 8x - 9 = 0
1 answer:
Answer:
2x^2 + 8x - 9 = 0
2x^2 + 8x = 9
2x^2 + x = 9/8
x^2 + x = 9/8×2
x^2 + x = 9/16
2x = √9/16
x = √9/32
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