2x²-9x+9how shall I factorise it
Answers
Answered by
0
Answer:
2
x
2
+
9
x
+
9
is a quadratic trinomial which might have 2 binomial factors. Not all trinomials factorise.
Try to find factors of 2 and 9 which combine and ADD to make 9.
The signs will be the same, they are both positive.
2
and
9
find factors and cross multiply
...
x
↓
...
...
...
.
↓
2
and
3
→
1
×
3
=
3
1
and
3
→
2
×
3
=
6
−
...
...
...
...
...
...
...
...
...
...
...
...
...
...
.
9
The factors are
(
2
x
+
3
)
(
x
+
3
Step-by-step explanation:
Answered by
0
Step-by-step explanation:
2x² -9 x +9
2x²- ( 6+3) x +9 =0
2x² -6x -3x +9=0
2x( x -3) -3( x-3) =0
( 2x-3) ( x-3)=0
x = 3/2 ; x =3
hopefully helping you ........ please like,vote,follow..its urgent....
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