Practice problem
Simplify the following expression by combing like terms: (4x)2+3x2+13x(4x)^2+3x^2+13x(4x)2+3x2+13x
7x2+13x7x^2+13x7x2+13x
32x232x^232x2
16x2+3x2+13x16x^2+3x^2+13x16x2+3x2+13x
19x2+13x19x^2+13x19x2+13x
Type a concept, like “slope” or “photosynthesis”.