Question

(2x2 + 5x - 3) - (x2 + 5x + 6) = ?​

Answer 1

Answer:

(4+5x-3)-(x2+5x+6)

(1+5x)-x2-5x-6

1+5x-x2-5x-6

-x2-5

Answer 2

(4+5x-3)-(x²+5x+6)

4

(4+5x-3)-(x²+3x+2x+6)

(4+5x-3)-{x(x+3)+2(x+3)}

(4+5x-3)-{(x+3) (x+2)}

(5x+1)-(x+3) (x+2)

5x+1-x+3 {(x+2)}

(4x+4) (x+2)

4(x+1) (x+2)