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11-04-2019
Mathematics

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Number 21 is what I need help on

Number 21 is what I need help on class=

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amberf455 amberf455

11-04-2019

Answer: −50x−66

Step-by-step explanation:

4(10x+6)−10(9x+9)

Distribute:

=(4)(10x)+(4)(6)+(−10)(9x)+(−10)(9)

=40x+24+−90x+−90

Combine Like Terms:

=40x+24+−90x+−90

=(40x+−90x)+(24+−90)

=−50x+−66

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