Simplify the expression 7√5 - 3√80

a) -5√5
b) -4√75
c) -5
d) 4√-75

A.) -5 √5

Step-by-step explanation:

if you solve the problem above, and solve each answer choice, you can ind a match

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a4 - 3a2 - 1

step-by-step explanation:

step   1   :

equation at the end of step   1   :

  ((a4) -   3a2) -   1

step   2   :

trying to factor by splitting the middle term

2.1     factoring   a4-3a2-1  

the first term is,   a4   its coefficient is   1 .

the middle term is,   -3a2   its coefficient is   -3 .

the last term, "the constant", is   -1  

the bottom of the spinner is not flat.

step-by-step explanation: