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प्रश्न
Simplify:
`5"x"^2-(3"x"-overline("x"^2-4))`
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उत्तर
`5"x"^2-(3"x"-overline("x"^2-4))`
= 5x2 − (3x − x2 + 4)
= 5x2 − 3x + x2 − 4
= 5x2 + x2 − 3x − 4
= 6x2 − 3x − 4
संबंधित प्रश्न
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
b + z − d = ....................
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
a − b + y = ................
Find the value of 3a − 2b, when a = 8 and b = 10
Show that the value of x3 – 8x2 + 12x – 5 is zero, when x = 1.
State true and false:
The value of x + 5 = 6, when x = 1
If x = 2, y = 5 and z = 4, find the value of the following:
xy ÷ y2z
Simplify:
p + (− q − r − s) − (p − q − r)
Fill in the blank:
7x + 2z + 4y − 3 = − 3 + 4y + (.............)
Insert the bracket as indicated:
2x − y + 2z = 2z − (....................)
Simplify:
6 {3x – 8 (5x – 10)}
