Question

from sum of 2x square + 9x +7 and 5x square - 2x + 8 subtract 6x square +11x - 2

Answer 1

Answer:

x^2-4x+13

Step-by-step explanation:

={(2x^2+9x+7)+(5x^2-2x+8)}-(6x^2+11x-2)

={2x^2+5x^2+9x-2x+7+8}-(6x^2+11x-2)

={7x^2+7x+15}-(6x^2+11x-2)

=x^2-4x+13