Question

30-4x+5x^2from7x^2-5x+70

Answer 1

$hey \: here \: is \: your \: answer \\ 7x { }^{2} - 5x + 70 \\ 5x {}^{2} - 4x + 30 \\ ( - ) \: \: \: \: ( + ) \: \: \: ( - ) \\ 2x {}^{2} - x + 40 \\ make \: sure \: it \: brainlist \: please$

Answer 2

Answer:

2x² + 40 - x

Step-by-step explanation:

(7x² - 5x + 70) - (30 - 4x + 5x²)

7x² - 5x + 70 - 30 + 4x - 5x²

= 2x² + 40 - x