Question

Find the value of
1. a2-2bc if a =3 b= -5 c=4

Answer 1

Answer:

49

Step-by-step explanation:

a2 is (a square)

-2bc is -2*-5*4= +40

9+40

49

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Answer 2

Answer:

6

Step-by-step explanation:

a=2_b= -5_c=4

=(2*2)-[(2*-5)+(2*4)]

=4-(-10+8)

=4-(-2)

=minus * minus = + (plus)

=4+2

=6

Its just my guessing so please check it friend

If my answer helped you means please make my answer as brainliest answer friend!