Adding & Multiplying Polynomials

Which expression is equivalent to

(15rt + 6rw - 7tw) + (10rt - 2rw + 20tw)?

• 25rt + 4rw + 13tw

• 25rt - 4rw - 13tw

• 25rt - 4rw + 13tw

• 25rt + 4rw - 13tw

Which expression is equivalent

(12 + 5d - d²) + (-2d² - 14 + 3d)?

• -3d³+ 8d + 16

• 3d³+ 8d - 16

• -3d³+ 8d - 2

• 3d³ - 8d - 16

Which expression is equivalent

(x² + 7x - 5)(-3x + 8)?

• 3x³ + 13x² - 71x + 40

• 3x³ - 29x² + 41x - 40

• -3x³ - 13x² + 71x - 40

• -3x³ + 29x² - 41x - 40

Which expression is equivalent to -36x² + 12x?

• -12x(3x - 1)

• -12x(3x + 1)

• 12x(3x - 1)

• 12x(3x + 1)

Which expression is equivalent to (3x + 4)(4x + 7)?

• 12x² - 5x - 28

• 12x² - 37x + 28

• 12x² + 5x - 28

• 12x² + 37x + 28

Which expression is equivalent to 154x² - 70x?

• 14(11x + 5)

• 14x(11x + 5)

• 14x(11x - 5)

• 14(11x - 5)

Which expression is equivalent to

(17rt + 8rw - 13tw) + (16rt - 4rw + 21tw)?

• 33rt + 12rw - 34tw

• 33rt - 4rw - 8tw

• 33rt + 12rw + 34tw

• 33rt + 4rw + 8tw

Which expression is equivalent

(15 + 3h - 2h²) + (6h² - 18 + 9h)?

• 8h³ + 12h + 33

• 8h³ + 12h - 33

• 4h³ + 12h + 3

• 4h³ + 12h - 3

Which expression is equivalent

(x² + 9x - 12)(-2x + 7)?

• -2x³ - 11x² + 87x - 84

• -2x³ + 25x² - 39x - 84

• -2x³ + 11x² + 87x + 84

• -2x³ - 11x² + 39x + 84