Question

X2+5x−7 when x=2 can you help me i am wayy back of the class and next month grades close

Answer 1

Answer:

7

Step-by-step explanation:

x2 + 5x - 7

sub x = 2 in

(2 X 2) + (5 X 2) - 7

4 + 10 - 7

= 7