Insert the Bracket as Indicated: a − 3b + 5c = a − (..............)

Insert the bracket as indicated:

a − 3b + 5c = a − (..............)

Fill in the Blanks

a − 3b + 5c = a − (3b − 5c)

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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 2.4

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

d ÷ x = ..................

Find the value of 5x² – 3x + 2, when x = 2.

If m = 2, find the difference between the values of 4m³ and 3m⁴.

Simplify:

12x − (5x + 2x)

Simplify:

`5{"a"^2-"a"("a"-overline("a"-2))}`

If x = 2, y = 3 and z = 4, find the value of 3x² – 4y² + 2z².

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

If P = − 12x² – 10xy + 5y², Q = 7x² + 6xy + 2y², and R = 5x² + 2xy + 4y²; find P – Q + R

Multiply and then evaluate:

(x² – y) and (xy – y²); when x = 1 and y = 2.

If x = − 3, find the value of 2x³ + 8x² – 15.