Perform the indicated operations.
Add:
1.) (5x4 - 3x2 + 4) + (6x3 - 4x2 - 7)
2.) (- 7x3y + 4x2y2 - 2) + (4x3y - 8x2y2 + 1)
3.) ( 24y3 - 7y2 + 5) + ( - 6y3 + 7y2 + 5)
4.) (2x5 - 6x3 - 12x2 - 4) + ( -11x5 + 2x2 + 8x+6)
5.) (3y5 +y4+2y3 - 2y+ 5) + (2y5 + 3y3 + 9)
Subtract:
6.) (5x3 - 7x2 + 3x- 4) - (8x3 + 2x2 + 3x - 7)
7.) (2x2y - 5xy + 3y2) - (5x2y + 7xy - 6y2)
8.) (9x5 - 6x3 + 7x2) - ( - 6x5 + 7x3 + 2x2)
9.) (6x2 - 3x + 8) - (4x3 - 5x - 8)
10.) (1.5y3 + 4.8y2 + 12) - (y3 - 1.7y2 + 2y)
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Answer:
Add:
1. 5x⁴+6x³-7x²-3
2.11y−4−1
3.18+10
4.−9−6−10+8+2
5.5++5−2y+14
Substract:
6.−3−9+3
7.−3y−12xy+9
8.15−13+5
9.−4+6+2x+16
10.0.5+6.5−2y+12
Step-by-step explanation:
Solutions:
Add:
1.(5 - 3 + 4) + (6 - 4 - 7)
=(5) + (6) + (-3 + -4) + (4 + -7)
=5x⁴+6x³-7x²-3
2. (- 7y + 4 - 2) + (4y - 8 + 1)
=(7y +4y) + (4 + -8)
=11y−4−1
3.( 24 - 7 + 5) + ( - 6 + 7 + 5)
=(24 + -6 ) + (-7 + 7) + (5+5)
=18+10
4.(2 - 6 - 12 - 4) + ( -11 + 2 + 8x+6)
=(2 + -11) + (-6) + (-12 + 2) + (8x) + (-4+6)
=−9−6−10+8+2
5.(3 ++2 - 2y+ 5) + (2 + 3 + 9)
=(3 + 2) + () + 2 + 3) + (-2y) + (5 + 9)
=5++5−2y+14
substract:
6.(5 - 7 + 3x- 4) - (8 + 2 + 3x - 7)
=(5 + -8) + (-7 + -2) + (3x + -3x) + (-4 + 7)
=−3−9+3
7.(2y - 5xy + 3) - (5y + 7xy - 6)
=2y + -5xy + 3 + 5y + - 7xy + 6
=(2y + -5y) + -5y) + (-5xy = -7xy) + (3 + 6)
=−3y−12xy+9
8.(9 - 6 + 7) - ( - 6 + 7 + 2)
=9 + 6 + 7 + 6 + -7 + -2
=(9 + 6) + (-6 + -7) + (7 + -2)
=15−13+5
9.(6 - 3x + 8) - (4 - 5x - 8)
=6 + 3x + 8 + -4 + 5x + 8
=(-4) + (6) + (-3x + 5x) + (8 + 8)
=−4+6+2x+16
10.(1.5 + 4.8 + 12) - ( - 1.7 + 2y)
=1.5 + 4.8 + 12 + - + 1.7 + -2y
=(1.5 + -) + (4.8 + 1.7 ) + (-2y) + (12)
=0.5+6.5−2y+12
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I hope It help:)
#carry On Learning