Insert the Bracket as Indicated: Ab + 2bc − 3ac = 2bc − (...............) - Mathematics

Insert the bracket as indicated:

ab + 2bc − 3ac = 2bc − (...............)

Fill in the Blanks

ab + 2bc − 3ac = 2bc − (3ac − ab)

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Concept of Substitution

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Chapter 20: Substitution (Including Use of Brackets as Grouping Symbols) - Exercise 20 (C)

Chapter 20 Substitution (Including Use of Brackets as Grouping Symbols)
Exercise 20 (C) | Q 2.8

Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.

z ÷ x = ..................

Find the value of 5x + 3y − 6z, when x = 3, y = 5 and z = 4

Find the value of 2p − 3q + 4r − 8s, when p = 10, q = 8, r = 6, and s = 2

Find the value of `"yx"/"z"`, when x = 8, y = 4 and z = 16

Simplify:

x − (x − y) − (− x + y)

Fill in the blank:

7x + 2z + 4y − 3 = − 3 + 4y + (.............)

If x = 3, y = 2 and z = 1; find the value of x^y

If x = 3, y = 2 and z = 1; find the value of y² – x² + 6z²

Multiply and then evaluate:

(x – 2y + z) and (x – 3z); when x = − 2, y = − 1 and z = 1.

Simplify:

5 (x + 3y) – 2 (3x – 4y)