Question

2) Add:-
i) 3x2 - 4x + 8 to 5x2+9x - 4
​

Answer 1

$\Huge{\textsf{\textbf{Answer :-}}}$

$\bold{ {5x}^{2} + 9x - 4 + {3x}^{2} - 4x + 8}$

= (5 + 2)x² + (9 - 4)x + (-4 + 8)

$\large\pink{\fbox{= {7x}^{2} + 5x + 4}}$

Answer 2

8}5x

2

+9x−4+3x

2

−4x+8

= (5 + 2)x² + (9 - 4)x + (-4 + 8)