Answer:
Step-by-step explanation:
A quadratic equation can be factorised if and only if there are rational roots.
For any quadratic equation the discriminant decides about the nature of roots.
Thus only if the discriminant is a perfect square we can have rational roots and in this case only factorization is possible.
In the given equation

Since 1 is a perfect square we can factor and solve

Answer:
Theirs no picture evidence
Step-by-step explanation:
Please explain your questions better
20x^2+50 = -40x^2+110x [ Taking x as the unknown positive integer ]
100/40×20.
100/40=2•5
2•5×20=50
the answer is 50