Question

Factor the expression by grouping 24q7 – 42q4r + 36q3r2 – 63r3 and the work shown please

Answer 1

forgot the ^s sorry. 24q^7 – 42q^4 * r + 36q^3 * r^2 – 63r^3

Answer 2

6q^4(4q^3-7r)+9r^2(4q^3-7r)
=(4q^3-7r)(6q^4+9r^2)

Answer 3

Can you show me how you got that? I don't understand this concept very well..

Answer 4

from the first two terms 6, q^4 are common, taking them out we r left with the terms inside the brackets

Answer 5

similar is with the last two terms

Answer 6

ah ok thank you :)