(3x + 9)(4x+9)
Answers
Answered by
0
Step-by-step explanation:
(
3
+
9
)
(
4
+
9
)
{\color{#c92786}{(3x+9)(4x+9)}}
3
(
4
+
9
)
+
9
(
4
+
9
)
Answered by
0
Answer:
Given : (x−2y+3)(x
2
+4y
2
+2xy+6y−3x+9)
The given question can be written as
=(x+(−2y)+30(x
2
+(−2y)
2
+3
2
−(x)(−2y)−(−2y)(3)−(3)(x))
According to the equation,
a
3
+b
3
+c
3
−3abc=(a+b+c)(a
2
+b
2
+c
2
−ab−bc−ca)
we get,
=x
3
+(−2y)
3
+3
3
−3×x×(−2y)×3
(x−2y+3)(x
2
+4y
2
+2xy+6y−3x+9)=x
3
−8y
3
+27+18xy
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FIND ALL SOLUTIONS FOR THIS BOOK
textbook
RS Agarwal
RS Agarwal
Exercise 3A
SIMILAR QUESTIONS
star-struck
Find the product.
8−27b
3
−343c
3
−126bc
Medium
View solution
>
Find the product using appropriate identity:
(x−2y−z)(x
2
+4y
2
+z
2
+2xy−2yz+zx)
Hard
View solution
>
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