Question

Deted : 11
Page No.:
FIND The value & 2x²-3+root5
when X=-3​

Answer 1

Answer:

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Step-by-step explanation:

$2 {x}^{2} - 3 \times \sqrt{5} \\ = 2( {3}^{2} ) - 3 + \sqrt{5} \\ = 2(9) - 3 + \sqrt{5} \\ = 18 - 3 + \sqrt{5} \\ = 15 + \sqrt{5}$