Problemas
Factor 3x^2-4x-32 using factoring by grouping.
Roztwór
Víctor
maestro · Tutor durante 5 años
4.1
(305 Votos)
Respuesta
To factor the quadratic expression
by grouping, we follow these steps:1. **Multiply the leading coefficient (3) by the constant term (-32):**
2. **Find two numbers that multiply to -96 and add up to the middle coefficient (-4):** The numbers are 8 and -12 because:
3. **Rewrite the middle term (-4x) using the two numbers found:**
4. **Group the terms in pairs:**
5. **Factor out the greatest common factor (GCF) from each pair:**
6. **Factor out the common binomial factor (3x + 8):**
So, the factored form of
is: