Question

Add (4x^2+5x-7),(-3x^2+3x-4) and (x^2-1)
fast​

Answer 1

Answer:

$\huge\mathfrak\red{Solution}$

$= {4x}^{2} + 5x - 7 + ( - {3x}^{2}) + 3x - 4 + {x}^{2} - 1$

$= {4x}^{2} + 5x - 7 - {3x}^{2} + 3x - 4 + {x}^{2} - 1$

$= {4x}^{2} - {3x}^{2} + {x}^{2} + 5x + 3x - 7 - 4 + 1$

$= {2x}^{2} + 8x + 4$

Step-by-step explanation:

Hope this helps you.

# By Sparkly Princess