Math, asked by hamza6710, 11 months ago

Evaluate.
a. -7x3 + 3x +11x – 9 for x = -2
b. 4y – 3y + 8 for y = -3
c. 14x+y + 3xy + 2xy – 5 for x = la
= 1 and y=2
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Answers

Answered by lalit99992
0

Step-by-step explanation:

a. x=2

= -7×3+3x+11x-9

= -21+3(2)+11(2)-9

= -21+6+22-9

= -15+13

= -2

b. y= -3

=4y-3y+8

=4(-3)-3(-3)+8

= -12+9+8

= -12+17

= 5

c. x=1, y=2

=14x+y+3xy+2xy-5

=14(1)+2+3(1)(2)+2(1)(2)-5

=14+2+6+4-5

=16+10-5

=16-5

=11

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