(3x3 + 13x. 17x + 8) + (13x4 - 12x² + 7 - 5x)

Estimate the product. round the first factor to the nearest whole number, round the second factor to the nearest ten, and then multiply. 3 8/9 × 96

Josephine has a great garden with and area of 2x2 + x - 6 square feet

Solve the equation by completing the square. x^2+2x=17