Question

3x2 + 5x - 7(x2 + 4)

Answer 1

-4x^2+5x-28

Explanation:

Expand -7(x^2 +4) = 3x^2+5x-7x^2-28

Simplify 3x^2+5x-7x^2-28 = -4x^2+5x-28

Answer 2

Answer: -4x² + 5x - 28

Explanation:

Given expression

3x² + 5x - 7 (x² + 4)

Expand parentheses and apply the distributive property

=3x² + 5x - 7x² - 28

Combine like terms

=(3x² - 7x²) + 5x - 28

=
`\boxed{-4x^2+5x-28}`

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