Simplificati expresia: (3x² + 1x−7) + (2x² −2x+ 5)

• 5x²−1x−2

• 5x² -3x−2

• 6x²−x−2

• 5x² + x−2

Calculati si ordonati descrescator: (4x²−2x+ 3)−(2x² + 6x−8)

• 2x²−8x+ 11

• 2x²−4x−5

• 6x²−8x+ 11

• 2x² +(−4x)+ 5

Scrieti sub forma de produs: (x+ 3)(x−3)

• x^2−9

• x^2 + 9

• x^2−6

• 3^2−x^2

Calculati produsul si ordonati termenii: (4x+ 2)(x−3)

• 4x^2−12x+ 2x−6

• 4x^2−12x−6

• 4x^2 + 12x+ 2x−6

• 4x^2−12x+ 6

Determinati valoarea numerica pentru x= 2: 5(2x+ 3)−3(x−5)

• 10x+ 15−3x+ 3i

• 10x−15 + 3x−5

• 10x+ 3x−10

• 10x−15−3x+ 5

Simplificati expresia: (3x^2 + 6x−7) + (2x^2 −12x+ 5)

• 5x^2−6x−2

• 5x^2−18x−2

• 6x^2−6x−2

• 5x^2 + 6x−2

Calculati si ordonati descrescator: (4x^2−7x+ 3)−(7x^2 + 6x−8)

• −3x^2−13x+ 11

• −3x^2−1x−5

• 11x^2−13x+ 11

• −3x^2 + 1x+ 5

Scrieti sub forma de produs: (x+ 8)(x−8)

• x^2−64

• x^2 + 64

• x^2−16

• 8^2−x^2

Calculati produsul si ordonati termenii: (9x+ 2)(x−3)

• 9x^2−27x+ 2x−6

• 9x^2−27x−6

• 9x^2 + 27x+ 2x−6

• 9x^2−27x+ 6

Determinati valoarea numerica pentru x= 2: 10(2x+ 3)−3(x−10)

• 20x+ 30−3x+ 3i

• 20x−30 + 3x−10

• 20x+ 3x−20

• 20x−30−3x+ 10