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Mathematics 15 Online
OpenStudy (anonymous):

Work out the value of each of these expressions, when p=2, q=-3, r=5: 4rp^2-10q^2

OpenStudy (saifoo.khan):

did u tried that?

OpenStudy (saifoo.khan):

where r u stuck?

OpenStudy (anonymous):

-10 is the answer.

OpenStudy (saifoo.khan):

Abe, please stop giving direct answers. Let them learn too. :p

OpenStudy (anonymous):

\[4(5)(2)^2-10(-3)^2\] \[4(5)(4) - 10(9)\] \[80-90\] \[-10\] we just have to put values given

OpenStudy (anonymous):

brilliant, thanks guys

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