x24x5=0

(x5)(x+1)=0x=5orx=1

4x23x10=0

4x28x+5x10=04x(x2)+5(x2)=0(4x+5)(x2)=0x=54orx=2

36x29=0

(6x+3)(6x3)=0x=12orx=12

2x2+6x+3=0   (Answer to 2d.p.)

Usingthequadraticformulab±b24ac2ax=6±624(2)(3)2(2)x=6±124x=0.63orx=2.37