How do you evaluate #(8x - 4x ^ { 2} + 8) + ( 5+ 5x ^ { 2} + 5x ) - ( 8+ 7x - 6x ^ { 2} )#?

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Answer 1 · 2018-06-20T14:35:36

#7x^2+6x+5#

We get

#8x-4x^2+8+5+5x^2+5x-8-7x+6x^2#

Combining like Terms:

#7x^2+6x+5#

Answer 2 · 2018-06-20T14:37:08

#7x^2+6x+5#

#(8x - 4x ^ { 2} + 8) + ( 5+ 5x ^ { 2} + 5x ) - ( 8+ 7x - 6x ^ { 2} )#

Use the distributive property:

#8x-4x^2+8+5+5x^2+5x-8-7x+6x^2#

Now combine like terms:

#7x^2+6x+5#