factorise q^2-12q+35 please help
Answers
Answered by
1
Answer:
Step-by-step explanation:
q^2-12q+35=0
q^2-7q-5q+35=0
q(q - 7)-5(q - 7)=0
(q - 7) (q - 5)=0
q - 7=0
q=7
q - 5=0
q=5
Therefore q=5,7
Answered by
3
Answer:
q² -12q + 35
= q² - (5+7)q+ 35
= q² - 5q - 7q + 35
= q ( q-5 ) - 7 ( q - 5)
= ( q - 5 ) (q - 7) =0
therefore
q= 5 or q =7
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