(2x + 3)(x + 5) = x
Reorder the terms:
(3 + 2x)(x + 5) = x
Reorder the terms:
(3 + 2x)(5 + x) = x
Multiply (3 + 2x) * (5 + x)
(3(5 + x) + 2x * (5 + x)) = x
((5 * 3 + x * 3) + 2x * (5 + x)) = x
((15 + 3x) + 2x * (5 + x)) = x
(15 + 3x + (5 * 2x + x * 2x)) = x
(15 + 3x + (10x + 2x2)) = x
