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Mathematics 11 Online
OpenStudy (anonymous):

Use the distributive property to factor the expression below. -15x^2y^2 + 25xy^2 A. -5xy2(3x - 5) B. -5xy(3x + 5y) C. -5xy(3xy - 5y) D. 5xy2(-x - 5)

OpenStudy (anonymous):

Please I Have To Finish Right Away !:(

OpenStudy (anonymous):

Do you know how the distributive property works?

OpenStudy (anonymous):

Nooo:/

OpenStudy (anonymous):

OK so first thing is first you know the multiples of 15 in this problem are 15 the multiples of +25 are -5 & -5. So you now have to find the answer that satisfies the variables x^2 and y^2 on first half of answer and x and y^2 on the 2nd part of the answer do you know the rules when you multiply 2 variables together?

OpenStudy (anonymous):

lol multiples of 15 are 3 & 5 my mistake

OpenStudy (anonymous):

\[x*x = x^2 \] the powers on the x's are 1's you don't need to put them there and powers of variables multiplied together always add remember that

OpenStudy (anonymous):

\[ -5xy(3xy - 5y)\] becomes: \[-15x^2y^2 + 25xy^2\] because you first distribute \[-5xy(3xy) = -15x^2y^2\] then you distribute 2nd part \[ -5xy(-5y) = +25xy^2\] put them together and you get \[-15x^2y^2 + 25xy^2\]

OpenStudy (anonymous):

do you understand how i did this now?

OpenStudy (anonymous):

answer would be C

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