3 years ago

Given that f(x)=x^2+3x-28f(x)=x

Mathematics

1 answer:

spayn [35]3 years ago

6 0

9514 1404 393

Answer:

x^2 +4x -21

Step-by-step explanation:

Substitute the given expressions and simplify.

f(x) + g(x)

= (x^2 +3x -28) +(x +7)

= x^2 +(3+1)x +(-28 +7)

= x^2 +4x -21

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Rina8888 [55]

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