Question

7x+4{x²÷(5x÷10)}-3{2-x³÷(3x²÷x)}

Answer 1

Answer:

7x + 4 {x2 ÷ (5x ÷ 10)} – 3 {2 – x3 ÷ (3x2 ÷ x)}

= 7x + 4 {x2 ÷ (5x/10)} – 3 {2 – x3 ÷ (3x2/x)}

= 7x + 4 {x2 ÷ x/2} – 3 {2 – x3 ÷ 3x} = 7x + 4 {x2 × 2/x} – 3{2 – ( x3/3x)}

= 7x + 8x – 6 + x2

= x2 + 15x - 6