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Mathematics 15 Online
OpenStudy (anonymous):

Choose the correct simplification of the expression −6x2(4x − 7x2 − 2).

OpenStudy (swissgirl):

What are the options?

OpenStudy (anonymous):

42x4 + 24x3 − 12x2 −42x4 + 24x3 − 12x2 −13x4 − 2x3 − 8x2 42x4 − 24x3 + 12x2

OpenStudy (swissgirl):

Well all we had to do was distribute the -6^2

OpenStudy (swissgirl):

4x(-6x^2)-7x^2(-6x^2)-2^(-6x^2) -24x^3+42x^4+12x^2

OpenStudy (swissgirl):

Now its ur turn to pick the answer

OpenStudy (anonymous):

okay

OpenStudy (swissgirl):

so which option wld u choose?

OpenStudy (anonymous):

hold on

OpenStudy (anonymous):

is it A

OpenStudy (swissgirl):

like i gave u the answer you just have to rearrange it

OpenStudy (anonymous):

OKAY ITS D right ?

OpenStudy (anonymous):

Choose the correct simplification of the expression (8x − 5)(2x2 − 5x − 6). 16x3 − 50x2 − 23x − 30 16x3 − 50x2 − 23x + 30 16x3 − 30x2 − 23x + 30 16x3 + 50x2 − 23x + 30 helpp

OpenStudy (swissgirl):

yup its D lol

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