Advertisements
Advertisements
Question
Simplify:
`5"x"^2-(3"x"-overline("x"^2-4))`
Advertisements
Solution
`5"x"^2-(3"x"-overline("x"^2-4))`
= 5x2 − (3x − x2 + 4)
= 5x2 − 3x + x2 − 4
= 5x2 + x2 − 3x − 4
= 6x2 − 3x − 4
RELATED QUESTIONS
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
x + y = .......
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
y × d = .............
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
b + z − d = ....................
If a = 3, b = 0, c = 2 and d = 1, find the value of a2 + 2b2 − 3c2
Evaluate:
5x + (3x + 7x)
Fill in the blank:
6p − 5x + q = 6p − (...........)
Fill in the blank:
5a + 4b + 4x − 2c = 4x − (...........)
Fill in the blank:
7x + 2z + 4y − 3 = − 3 + 4y + (.............)
Insert the bracket as indicated:
a − 3b + 5c = a − (..............)
In the context of algebra, what is the primary definition of 'substitution'?
