Advertisements
Advertisements
Question
Evaluate : (3−2x) (3+2x) (9+4x2)
Sum
Advertisements
Solution
(3−2x) (3+2x) (9+4x2)
= [{3}2−(2x)2] (9+4x2)
= (9−4x2) (9+4x2)
= (9)2 − (4x2)2
= 81 − 16x4
shaalaa.com
Product of Sum and Difference of Two Terms
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Evaluate : (a+b) (a−b) (a2+b2)
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
7.7 x 8.3
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
4.6 x 5.4
Evaluate : `(3"x"-1/(2"y"))(3"x"+1/(2"y"))`
Evaluate : (a + bc) (a − bc) (a2 + b2c2)
Evaluate : (5x + 8y) (3x + 5y)
Evaluate : (7x + 15y) (5x − 4y)
Evaluate: (a2 + 5) (a2 − 3)
Evaluate: (3a2 − 4b2) (8a2 − 3b2)
Evaluate: (4x2 − 5y2) (4x2 + 5y2)
