Question

Simplify the expression and evaluate 3y(2y - 7) - 3(y - 4) -63 for y = -2.
Give me a very clear answer so that i mark you brainliest

Answer 1

Answer:

21

Hope it will helps you my friend.

Step-by-step explanation:

3y(2y-7) - 3(y-4) - 63

since y= -2

therefore,

=3(-2)(2*-2 -7) - 3(-2-4) - 63

= -6(-4 -7) -3(-6) -63

= -6(-11) +18 -63

= 66 - 45

= 21