By how much is -10x +y greater than the sum of -20x + 8y and 5x - 25y?

Simran travelled 3m² + 3n + 4 km straight on a road and then came back 3n + m² + 2 km on the same road. How far is she now from the starting point?

Form the algebraic expression from the statement " the sum of p and q =.

Substract the sum of 15p + 8q - pq and 23 p - 16 + 5pq from 0.

Subtract the sum of 6m + 5n - 7p² and 6p² - 2m + n  from the sum of 2m + 3n - 10p² and -m -2n - 3p² .

What should be added to 11x³ + 10p³ + 5x³p  to get 6x³ + 20p³ + 2px³?

The value of the expression x + 10 for x = -1 is

Form the algebraic expression from the statement " 10 subtracted from the product of x and y".

Three sides of a triangle are 4x² + x -1, 2x² - 3x + 5 and -x² + 4x +1. Find the perimeter of the triangle.

Simran travelled 3m² + 3n + 4 km straight on a road and then came back 3n +m² + 2 km on the same road. How far is she now from the starting point?