1) Solve the following quadratic equation using formula method.5x2 + 1

1.	1) Solve the following quadratic equation using formula method.5x2 + 13x + 8 = 0
Answer» a= 5b = 13c= 8x= -b+-√D/2a= -13+-√49/10= -13+-7/10roots will be -13+7/10-13-7/10 a=5,b=-13,c=8D=b^2-4ac =(-13-13)-4(5)(8) =169-160 =9x=-b+or-rootD/2a =-(-13)+or-root9/25 =13+or-3/10x=13+3/10 or x=13-3/10x=8/5 or x=1 5x^2+13x+8=0; 5x^2+5x + 8x +8=0; 5x( x +1)+8( x + 1)=0; (5x+8)( x+1), 5x =-8; x= -8/5; x= -1 correct answer is x = -1, -8/5 x=8/5 & x=1 are the correct answer of given question.

1) Solve the following quadratic equation using formula method.5x2 + 13x + 8 = 0

Answer»

a= 5b = 13c= 8x= -b+-√D/2a= -13+-√49/10= -13+-7/10roots will be -13+7/10-13-7/10

a=5,b=-13,c=8D=b^2-4ac =(-13*-13)-4(5)(8) =169-160 =9x=-b+or-rootD/2a =-(-13)+or-root9/2*5 =13+or-3/10x=13+3/10 or x=13-3/10x=8/5 or x=1

5x^2+13x+8=0; 5x^2+5x + 8x +8=0; 5x( x +1)+8( x + 1)=0; (5x+8)( x+1), 5x =-8; x= -8/5; x= -1

correct answer is x = -1, -8/5

x=8/5 & x=1 are the correct answer of given question.