How is it possible that the sum of two quadratic trinomials is a linear binomial?

If (3x-4) (5x+7) = 15x²-ax-28, so find the value of a?

The difference of x⁴+2x²-3x+7 and another polynomial is x³+x²+x-1. What is the
another polynomial?

Use the product of sum and difference to find 83 × 97.

This question can be easily solved by using the formula
(a + b)(a - b) = a2 - b2

Determine the gradient and y-intercept from the following equation: 4x + y = -10

Use the product of sum and difference to find 32 × 28.

This question can be easily solved by using the formula
(a + b)(a - b) = a2 - b2

The sum of two expressions is x³-x²+3x-2. If one of them is x² + 5x - 6, what is the
other?

Use the square of a binomial to find the value. 72²

What is the gradient of a line parallel to the line whose equation -2x + y = -7 is:

Two sides of a rectangle are (3p+5q) units and ( 5p-7q ) units. What is its area?

Find the error in the given statement.
All monomials with the same degree are like terms.

Write equation of the line containing (-3, 4) and (-1, -2)

Simplify and write the polynomial in its standard form.

What must be added to x³+3x-8 to get 3x³+x²+6?

Simplify and write the polynomial in its standard form.

Write the polynomial in its standard form.