Question

factorise 2x square+10x+10​

Answer 1

2x²+10x+10

a=2,b=10 & c=10

√b²-4ac=100-4×2×10

=√100-80=

√20=2√5

-b+_2√5/4=-10+_2√5/4

x = 2(-5+√5)/4 and 2(-10-√5)/4

hope it helps