Question

Find the value of P – Q + 8, if P = (x 2 + 7x) and Q = (- x 2 - 3x + 2)

Answer 1

Answer:

P-Q+8=2$x^{2}$+10x+6

Step-by-step explanation:

=($x^{2}$+7x)-(-$x^{2}$-3x+2)+8

=$x^{2}$+7x+$x^{2}$+3x-2+8

=2$x^{2}$+10x+6

P-Q+8=2$x^{2}$+10x+6