Question

What is the factorisation of x^2-2√2x-30

Answer 1

Answer:

x^2 - 2√2x -30

x^2 + 3√2x - 5√2x - 30

x( x +3√2) - 5√2(x - 3√2)

✓✓✓ (x + 3√2) ( x - 5√2)

..... hope it's helpful