book Maths Puzzle Numerical Ability

Okay I need major help on this question. I need to apply the quadratic formula to this equation bx^2-cx+a^2=0 my problem is i don't know how to apply the formula with two square ro

Read Solution (Total 0)

book Other Question

Please solve each system by graphing. Please help me solve the following problem.

1. y = 2/3x
x = y + 3
what is the soultion to this simultaneous equation using substion or addtion method
x+2y=15
x-2y=-9