How do you factor 2x^2-x-3 ?

pierdoodsu 2021-12-17 Answered
How do you factor 2x2x3 ?
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Annie Gonzalez
Answered 2021-12-18 Author has 41 answers
2x2x3=(2x3)(x+1)
since it is 2x2
in one of the brackets there must be a x with coefficient 2
(2x)(x)
next think how 3, 2, 1 (coefficients of (x2,x  and  x0 respectively) relate to each other (using addition and subtraction)
32=1
what makes 3 and 2 and 1? using multiplication
31=3
21=2
Now we have clearer idea on what to do
(2x3)(x+1)
there you go
If you are having difficulties to factorise (provided that the equation is factorisable), don't frustrate. You just need more practices.
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Medicim6
Answered 2021-12-19 Author has 33 answers
Explanation:
2x2x3
=2x23x+2x3
=x(2x3)+1(2x3)
=(x+1)(2x3)
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