Question

Find the sum of these polynomials.(5x2 - 4x + 2) + (3x² + 9x-8)=

Answer 1

we have the expression

$(5x^2-4x+2)+(3x^2+9x-8)$

step 1

Group similar terms

$\begin{gathered} (5x^2+3x^2)+(-4x+9x)+(2-8) \\ Combine\text{ like terms} \\ 8x^2+5x-6 \end{gathered}$

The answer is option A