Question

7a squared + 7 a + -20
where a = -2

Answer 1

Answer:

=28-14-20

=-16

please select as brainliest

Answer 2

Answer:

Hey mate,

Here's your answer,

(7a)sq. + 7a + (-20)

putting, a = -2

{(7)^2×(-2)^2} + {7× (-2)} - 20

= (49×4) +(-14) - 20

= 196 - 14 - 20

= 196- 34

= 162

Hope this helps you