isabelleecurtis
07.07.2019 •
Mathematics
What is the simplified product of (2x)(x^2)+(2x)(x)+()+(3)(x^2)+(3)(x)+()
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Ответ:
(2x)(x^2)+(2x)(x)+(2x)(-2)+(3)(x^2)+(3)(x)+(3)(-2)
Simplifying
(2x)(x2) + (2x)(x) + (2x)(-2) + (3)(x2) + (3)(x) + (3)(-2)
Remove parenthesis around (2x)
2x(x2) + (2x)(x) + (2x)(-2) + (3)(x2) + (3)(x) + (3)(-2)
Multiply x * x2
2x3 + (2x)(x) + (2x)(-2) + (3)(x2) + (3)(x) + (3)(-2)
Remove parenthesis around (2x)
2x3 + 2x(x) + (2x)(-2) + (3)(x2) + (3)(x) + (3)(-2)
Multiply x * x
2x3 + 2x2 + (2x)(-2) + (3)(x2) + (3)(x) + (3)(-2)
Remove parenthesis around (2x)
2x3 + 2x2 + 2x(-2) + (3)(x2) + (3)(x) + (3)(-2)
Reorder the terms for easier multiplication:
2x3 + 2x2 + 2 * -2x + (3)(x2) + (3)(x) + (3)(-2)
Multiply 2 * -2
2x3 + 2x2 + -4x + (3)(x2) + (3)(x) + (3)(-2)
Multiply 3 * -2
2x3 + 2x2 + -4x + 3x2 + 3x + -6
Reorder the terms:
-6 + -4x + 3x + 2x2 + 3x2 + 2x3
Combine like terms: -4x + 3x = -1x
-6 + -1x + 2x2 + 3x2 + 2x3
Combine like terms: 2x2 + 3x2 = 5x2
-6 + -1x + 5x2 + 2x3
Ответ:
the scale factor will be greater than 5 if the dilation enlargement
C.5