Question

x^2 = __x + 49 plzzzzzzzzzz help NOW

Answer 1

Answer:

-53

Step-by-step explanation:

Answer 2

Answer:

Since 49=(±7)2

and

2×(−7)=−14

x2−14x+49

XXXX=(x−7)2

and therefore

XXXXx2−14x+49 is a perfect square.