9x^2+18x+8 in solution why there is 12x +6x
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Answered by
1
Answer:
9x2+18x+8
= 9x2+12x+6x+8
=3x(3x+4)+2(3x+4)
=(3x+2)(3x+4)
x=-2/3 , -4/3
12x+6x is there while splitting the middle term whic is 18 x by using factors of 9 and 8
Answered by
1
Answer:
bro it's called mid term break used for factorising
Step-by-step explanation:
9x² + 12x + 6x + 8
3x(3x + 4) + 2(3x + 4)
(3x+2)(3x+4)
hence factorised
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