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Mathematics 26 Online
OpenStudy (anonymous):

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

OpenStudy (anonymous):

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

OpenStudy (anonymous):

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

OpenStudy (anonymous):

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

OpenStudy (anonymous):

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

OpenStudy (anonymous):

similar is with the last two terms

OpenStudy (anonymous):

ah ok thank you :)

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