Question

Plz. solve this sum

Answer 1

`\large\boxed{a-b=11}`

Explanation:

`\text{Use}\ x^2-y^2=(x-y)(x+y).\\\\\text{We have}\\\\a^2-b^2=275\ \text{and}\ a+b=25.\\\\\text{Substitute:}\\\\275=(a-b)(25)\qquad\text{divide both sides by 25}\\\\((a-b)(25))/(25)=(275)/(25)\\\\\boxed{a-b=11}`