Question

Factor the expression below.

4x2 - 20x + 25

A. (4x - 5)(x - 5)
B. (2x + 5)(2x + 5)
C. (2x - 5)(2x - 5)
D. (4x + 5)(x + 5)

Answer 1

c. (2x-5) (2x-5) :)

Answer 2

Try this http://www.acalculator.com/quadratic-equation-calculator-formula-solver.html free online tool to solve your problem.

Answer 3

c

Answer 4

\[4x^2 - 20x + 25 \implies 4x^2 - 10x - 10x + 25 \\ \implies 2x(2x-5) - 5(2x-5) \\ \implies \color{green}{(2x-5)(2x-5)}\]