QUICK! WHAT IS THIS ANSWER?

a)2x-3y

b)4(9a-4)

Step-by-step explanation:

we want to expand the following expression:

well to do so we consider distributive property thus distribute:

reduce fraction which yields:

simplify Parentheses:

in the expression there's a common factor of 4 therefore factor it out:

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step-by-step explanation:

1+2+3+4+5+6+7+8+9+10 = 55

2*10 = 20

55-20 = 35