Question

Factor 6x4 – 5x2 + 12x2 – 10 by grouping. What is the resulting expression?

(6x + 5)(x2 – 2)
(6x – 5)(x2 + 2)
(6x2 + 5)(x2 – 2)
(6x2 – 5)(x2 + 2)

Answer 1

Answer:

(6x2-5)(x2+2)

Step-by-step explanation:

6x⁴-5x²+12x²-10

collect the like terms

(6x⁴+12x²)-(5x²-10)

6x²(x²+2)-5(x²+2)

(6x²-5)(x²+2)