Factorise the following:- 81p²-4m²-n²+ 4mm
who will give answer I will mark him brilliant star
Answers
Answered by
4
Answer:
Factorise the following :
(i)6a+6b
(ii)ax+bx
(iii)3x
2
−6a
6
(iv)9x
2
+3x
(v)12x
3
y−4xy
2
(vi)
2
1
x+
2
1
(vii)cdm+cdt
(viii)36a
2
b
3
−18a
3
b
2
(ix)25m
2
n
3
−5mn
(x)3ay+3az
(xi)185a+185b
(xii)28x−14y
(xiii)ax−ay
(xiv)12y
3
+6a
3
(xv)3x+9y
MEDIUM
ANSWER
(i) 6a+6b=6(a+b)
(ii) ax+bx=(a+b)x
(iii) 3x
2
−6a
6
=3(x
2
−2a
6
)=3(x−
2
a
3
)(x+
2
a
3
)
(iv) 9x
2
+3x=3x(3x+1)
(v) 12x
3
y−4xy
2
=4xy(3x
2
−y)
(vi)
2
1
x+
2
1
=
2
1
(x+1)
(vii) cdm+cdt=cd(m+t)
(viii) 36a
2
b
3
−18a
3
b
2
=18a
2
b
2
(2b−a)
(ix) 25m
2
n
3
−5mn=5mn(5mn
2
−1)
(x) 3ay+3az=3a(y+z)
(xi) 185a+185b=185(a+b)
(xii) 28x−14y=14(2x−y)
(xiii) ax−ay=a(x−y)
xiv) 12y
3
+6a
3
=6(2y
3
+a
3
)
(xv) 3x+9y=3(x+3y)
Similar questions