Question

factoring trinomials by grouping
examples: factoring trinomials by grouping
factor (1x^2 + 4x + 3)
multiple-choice question
if there is not a number written in front of (x^2), there is a \hidden\...
options: 1, 0, 10, (x)
rewatch

Explanation:

In algebraic expressions, when a variable term like $x^2$ has no written coefficient, the coefficient is implicitly 1, since multiplying by 1 does not change the value of the term.

Answer:

1