Solve:x2+x4=18.
Given:
x2+x4=18
Multiply by 4 on both the sides, and we get:
⇒4x2+4x4=48⇒2x+x=12⇒3x=12⇒x=16
Hence, the required solution is x=16
Solve for x:x−23=2x7
Solve the following system of linear equations forxandy
xa+yb=2;bx-ay=a+b