Advertisements
Advertisements
Question
(x + a)(x + b) = x2 + (a + b)x + ______.
Fill in the Blanks
Advertisements
Solution
(x + a)(x + b) = x2 + (a + b)x + ab.
Explanation:
We have,
(x + a)(x + b) = x2 + bx + ax + ab
= x2 + (a + b)x + ab
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Expand.
(m − 4)(m + 6)
Expand.
(3x + 4y) (3x + 5y)
Expand.
`(x + 1/x)(x - 1/x)`
Use the Identity (x + a) (x + b) = x2 + (a + b)x + ab to find the following:
95 × 103
Expand: (x + 2)(x + 3).
Expand: (2a + 3b)(2a - 3b).
x2 + (a + b)x + ab = (a + b)(x + ab)
Using suitable identities, evaluate the following.
101 × 103
Using suitable identities, evaluate the following.
98 × 103
The following expression is the area of a rectangle. Find the possible length and breadth of the rectangle.
x2 + 9x + 20
