Exercise
$-20x^2+100x-45$
Step-by-step Solution
Learn how to solve common monomial factor problems step by step online. Factor the expression -20x^2+100x+-45. Factor the polynomial -20x^2+100x-45 by it's greatest common factor (GCF): 5. Factor the trinomial \left(-4x^2+20x-9\right) of the form ax^2+bx+c, first, make the product of -4 and -9. Now, find two numbers that multiplied give us 36 and add up to 20. Rewrite the original expression.
Factor the expression -20x^2+100x+-45
Final answer to the exercise
$5\left(-2x+9\right)\left(2x-1\right)$