Question

factorise x^2-2√2x-30=0​

Answer 1

Answer:

let -2√2 = -5√2 + 3√2

Step-by-step explanation:

=>x² - 5√2x+ 3√2x - 30 =0

=>x(x-5√2) + 3√2(x-5√2)=0

=>(x+3√2)(x-5√2)=0