Let x = 3, y = -2, and z = 5, Evaluate 8x2 -6y + 2z
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I give numbers to the box, box 1 to 9 so you can understand my explanation well. See image attached.
Fill in Box 4
box 4 multiplied by box 2 is equal to box 5
box 4 × 0.3 = 1.5
box 4 =
box 4 = 5
The number on the box 4 is 5
Fill in Box 8
box 2 multiplied by box 7 is equal to box 8
0.3 × 15 = box 8
box 8 = 0.3 × 15
box 8 = 4.5
The numbers on the box 8 is 4.5
Fill in Box 3
box 3 multiplied by box 7 is equal to box 9
box 3 × 15 = 6
box 3 =
box 3 = 0.4
The numbers on the box 3 is 0.4
Fill in Box 6
box 3 multiplied by box 4 is equal to box 6
0.4 × 5 = box 6
box 6 = 0.4 × 5
box 6 = 2
The number on the box 6 is 2
Fill in Box 4
box 4 multiplied by box 2 is equal to box 5
box 4 × 0.3 = 1.5
box 4 =
box 4 = 5
The number on the box 4 is 5
Fill in Box 8
box 2 multiplied by box 7 is equal to box 8
0.3 × 15 = box 8
box 8 = 0.3 × 15
box 8 = 4.5
The numbers on the box 8 is 4.5
Fill in Box 3
box 3 multiplied by box 7 is equal to box 9
box 3 × 15 = 6
box 3 =
box 3 = 0.4
The numbers on the box 3 is 0.4
Fill in Box 6
box 3 multiplied by box 4 is equal to box 6
0.4 × 5 = box 6
box 6 = 0.4 × 5
box 6 = 2
The number on the box 6 is 2