Find the roots of quadratic equation
abx2 +(b2-ac)x- BC by factorisation method.
Answers
Answered by
17
=>abx^2+(b^2-ac)x-bc
=>abx^2+b^2x-acx-bc
=>abx^2-acx+b^2x-bc
=>ax(bx-c)+b(bx-c)
=>(bx-c)(ax+b)=0
=>bx-c=0 or ax+b=0
=>x=c/b or x=-b/a
roots are c/b and -b/a
=>abx^2+b^2x-acx-bc
=>abx^2-acx+b^2x-bc
=>ax(bx-c)+b(bx-c)
=>(bx-c)(ax+b)=0
=>bx-c=0 or ax+b=0
=>x=c/b or x=-b/a
roots are c/b and -b/a
Answered by
9
Answer:
X= -b/a , c/b
Explanation:
Attachments:
Similar questions