Math7-bracket-s

Simplify the expression: (15x² - 3x + 4) - (6x² + 2x - 1)

Tùy chọn

• 9x² - 5x + 6

• 9x² - 5x + 3

• 9x² - 5x + 5

• 9x² - 5x + 4

Simplify the expression: (20x² + 5x - 7) - (8x² + 3x + 2)

Tùy chọn

• 12x² + 2x - 8

• 12x² + 2x - 5

• 12x² + 2x - 7

• 12x² + 2x - 9

Simplify the expression: (25x² - 4x + 10) - (10x² + 6x - 3)

Tùy chọn

• 15x² - 10x + 10

• 15x² - 10x + 8

• 15x² - 10x + 7

• 15x² - 10x + 13

Simplify the expression: (30x² + 2x - 5) - (12x² + 4x + 1)

Tùy chọn

• 18x² - 2x - 5

• 18x² - 2x - 6

• 18x² - 2x - 4

• 18x² - 2x - 3

Simplify the expression: (20x - 5) + (10 - 4x)

• 16x + 6

• 16x - 6

• 16x - 5

• 16x + 5

Simplify the expression: (50x - 10) + (20 - 6x)

Tùy chọn

• 44x - 10

• 44x + 10

• 44x + 6

• 44x - 6

Simplify the expression: (30x - 10) + (10 - 6x)

• 36x -10

• 24x

• 24x - 20

• 36x + 10

Simplify the expression : (30x - 10) - (10 - 6x)

• 24x - 20

• 36x +20

• 24x +20

• 36x -20

Simplify the expression: (35a - 10) - (10 + 6a)

• 29a -20

• 41a +20

• 29a +20

• 41a -20

Simplify the expression: (35y - 8) + (13 + 7y)

• 42y - 5

• 28y - 5

• 42y + 5

• 28y + 5