Question

what should be the value of a if the value of 5y2+2y -a is -3 for y= -3?​ please help me

Answer 1

Answer:

-138

Step-by-step explanation:

y = -3

5y² + 2y - a = -3

so

5(-3)² + 2(-3) - a = -3

(5 × -27) - 6 - a = -3

-135 - 6 - a = -3

thus,

a = -135-6+3

a = -138