How do you combine $(50x-3)+(8x^3+7x ^2+x+4)$ ?

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Answer 1 · 2015-07-11T16:31:20

$=8x^3 +7x^2+51x+1$

$(color(blue)(50x)−color(green)(3))+(8x^3+7x^2+color(blue)(x)+color(green)(4))$

$=color(blue)(51x)+8x^3+7x^2+color(green)(1)$

$=8x^3 +7x^2+51x+1$

How do you combine (50x-3)+(8x^3+7x ^2+x+4)(50x-3)+(8x^3+7x ^2+x+4)?