Advertisements
Advertisements
Question
(x + a)(x + b) = x2 + (a + b)x + ______.
Fill in the Blanks
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.
(a + 2) (a − 1)
Expand.
(13 + x) (13 − x)
Expand: (x + 2)(x + 3).
Expand: (y + 4)(y - 3)
Expand: (2a + 3b)(2a - 3b).
Using the identity (x + a)(x + b) = x2 + x(a + b) + ab, find the following product
(6a + 9)(6a – 5)
Multiply the following:
(x2 – 5x + 6), (2x + 7)
Using suitable identities, evaluate the following.
101 × 103
The following expression is the area of a rectangle. Find the possible length and breadth of the rectangle.
x2 – 3x + 2
The following expression is the area of a rectangle. Find the possible length and breadth of the rectangle.
x2 – 7x + 10