I think that you didnt write the question well , because it would me much more logically that your homework goes like this a^2 - 10a + 21
then this is :
a^2 - 7a-3a + 21
a (a-7) – 3 (a-7)
a - 10a + 21 - like this is : -9a + 21 = -3(3a-7)
math - factor the expression: 10a^2-19a+7 ok I no how to start of which would be...
math - Simplify and show: 2a-6(10a)-5a^2(2) ----------------- (2a-6)^2 This is ...
math - 3(a/7)+7(a/3) answer 3a/21+7a/21 = 10a/21 am i on track
algebra 1 - Can someone solve theses for me? Factor the polynomial x2 + 7x + 12 ...
Algebra - Factor. 3a^2 - 10a + 8 Thank you! :-)
algebra - plz solve factor trinomial a^2+10a+16
math - 10a^2 + 25a - 15 factor out the GCF.
algebra 2 - What are two different transformations that will transform f(x)=5x+3...
Factor (Math) - Factor by grouping if possible. z^3+3z^2+7z+21
Algebra - How do I factor out: 21 - 4x - x^2 x^2 + 4x - 21 = 0 this is of the ...