7. Factorise:x+3 12x+4
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Answered by
1
Answer:
(x+3)(12x+4)=
=x*12x+x*4+3*12x+3*4
= 2xsquare +4x+36x+12
=12x square+40x+12
=12x square +36x+4x+12...( factorised)
=12x(x+3)+4(x+3)
=(12x+4)(x+3) here the answer....
Answered by
0
Answer:
Step-by-step explanation:
X+3=12x+4, 3-4=12x-x, -1=11x therefore x=-1/11
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