Solve the equation X square root 2x 15Solutionx2x15 squari

Solve the equation. X = square root 2x + 15

Solution

x=(2x+15)

squaring on both sides

x2=((2x+15))2

x2=(2x+15)

x2-2x-15 =0

x2-5x+3x-15 =0

x(x-5)+3(x-5) =0

(x+3)(x-5)=0

x+3=0, x-5=0

=>x=-3 , x=5

 Solve the equation. X = square root 2x + 15Solutionx=(2x+15) squaring on both sides x2=((2x+15))2 x2=(2x+15) x2-2x-15 =0 x2-5x+3x-15 =0 x(x-5)+3(x-5) =0 (x+3)(

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