Split x2- 6x+ 4
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x2-4x-2x+8
x(x-4)-2(x-4)
(x-4)(x-2)
Step-by-step explanation:
(x+a)(x+b)=X2+(a+b)x+ab
let coefficient of x = p and q ( any real number not equal to zero)
(qx+a)(px+b)= pq X2 +(pxa+qxb)+ ab
pq X2 +x(pa+qb)+ ab
on comparison with ax2+bx +cx0
we get c= ab which what I have done
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