Advertisements
Advertisements
Question
Simplify:
(3a - 7b + 3)(3a - 7b + 5)
Advertisements
Solution
(3a - 7b + 3)(3a - 7b + 5)
= 3a(3a - 7b + 5) -7b (3a - 7b + 5) + 3(3a - 7b + 5)
= 9a2 - 21ab + 15a - 21ab + 49b2 - 35b + 9a - 21b + 15
= 9a2 - 42ab + 24a + 49b2 - 56b + 15.
APPEARS IN
RELATED QUESTIONS
Use suitable identity to find the following product:
(x + 4) (x + 10)
Simplify the following products:
`(x^3 - 3x^2 - x)(x^2 - 3x + 1)`
Write in the expanded form:
`(a + 2b + c)^2`
Evaluate of the following:
(99)3
Find the value of 27x3 + 8y3, if 3x + 2y = 20 and xy = \[\frac{14}{9}\]
Simplify of the following:
(2x − 5y)3 − (2x + 5y)3
Find the following product:
(3x + 2y + 2z) (9x2 + 4y2 + 4z2 − 6xy − 4yz − 6zx)
The product (a + b) (a − b) (a2 − ab + b2) (a2 + ab + b2) is equal to
If x + y = `7/2 "and xy" =5/2`; find: x - y and x2 - y2
Simplify:
(x + y - z)2 + (x - y + z)2
