Question

Answer Breifly Simplify 3x(4x-5)+3 and find it value at x = -2
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Answer 1

Answer:

3×(4×-2-5) +3

=3×(-8-5)+3

=3×-13+3

=-29+3

=-26

Answer 2

p(x)=3x(4x-5)+3

=>p(-2)=3*(-2)[4*(-2)-5)+3

=(-6)*(-13)+3

=78+3

=81