Question

√2x^2 + 7x + 5√2 = 0 to solve this quadratic equation by factorisation,
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Answer 1

Answer:

√2x²+7x+5√2=0

a=√2 b=7 c=5√2

D=b²-4ac=(7)²-4(√2)(5√2)=49-40=9

x=-b+√D/2a or-b-√D/2a

=-7+√9/2(√2) or -7-√9/2(√2)

=-7+3/2√2 or -7-3/2√2

=-4/2√2 or -10/2√2

=-2/√2 or -5/√2

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