simplify that q = -16(x²×y)-³
/ x³y²
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Try to separate it into different parts and try to use a substitution as follows:
step 1 factorise x2−y2 :
x2−y2=(x+y)(x−y)
step 2 let a=x−y :
so
x2−y2+x−y=(x+y)(x−y)+(x−y)
replacing x-y to abecomes
x2−y2+x−y=(x+y)a+a
=a((x+y)+1))
taking back from a the x-y:
a((x+y)+1))=(x−y)(x+y+1)
Step-by-step explanation:
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