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Find the roots of the following quadratic equations by factorisation: √2 x 2 + 7x + 5√2 = 0
Dear Student√2 x^2 + 7x + 5√2=0Taking LHS,=> √2 x^2 + 5x + 2x + 5√2=> x (√2x + 5) + √2(√2x + 5)= (√2x + 5)(x + √2)The roots of this equation, √2 x^2 + 7x + 5√2=0are the values of x for which (x - 5)(x + 2) = 0Therefore, √2x + 5 = 0 or x + √2 = 0=> x = -5/√2 or x = -√2Thanks
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