What are some equivalent expressions for..
#1. 7(x-4)
#2. x(5-6) + 13x - 10
#3. 2.5(8 - 2x) + 5(x+1)
#4. 3(x+10) - 3(2 - 4x)
you! i really need to know!

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)

Which function has an inverse function? a. f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²

Need showing work for this problem 56.25 ×25.80