2007-12-10 03:27:39 · 11 answers · asked by cak 1 in Science & Mathematics ➔ Mathematics
15x - 30 - 24x + 56
26 - 9x
2007-12-10 06:12:51 · answer #1 · answered by Como 7 · 5⤊ 0⤋
To solve this problem, we're going to perform all of the multiplications and combine like terms.
we'll begin with the original expression 5(3x - 6) - 8(3x - 7). Performing all of the multiplications, thus expanding the expression gives 15x-30-(24x-56). We'll then distribute the (-), giving 15x-30-24x+56. Now we can rearrange the terms to make the addition more clear, giving, 15x-24x-30+56. Now, combining like terms, we have -9x-26. so -9x-26 is the simplified form of that expression
2007-12-10 03:34:35 · answer #2 · answered by Anonymous · 0⤊ 1⤋
Simplifying
5(3x + -6) + -8(3x + -7)
Reorder the terms:
5(-6 + 3x) + -8(3x + -7)
(-6 * 5 + 3x * 5) + -8(3x + -7)
(-30 + 15x) + -8(3x + -7)
Reorder the terms:
-30 + 15x + -8(-7 + 3x)
-30 + 15x + (-7 * -8 + 3x * -8)
-30 + 15x + (56 + -24x)
Reorder the terms:
-30 + 56 + 15x + -24x
Combine like terms: -30 + 56 = 26
26 + 15x + -24x
Combine like terms: 15x + -24x = -9x
26 + -9x
2007-12-10 03:46:03 · answer #3 · answered by Anonymous · 0⤊ 1⤋
5(3x - 6) - 8(3x - 7) =
15x - 30 - 24x + 56 =
-9x + 26
2007-12-10 03:34:21 · answer #4 · answered by Philo 7 · 0⤊ 0⤋
5(3x - 6) - 8(3x - 7)
15x - 30 - 24x + 56
-9x + 26
2007-12-10 03:35:46 · answer #5 · answered by mx_pi 2 · 0⤊ 0⤋
5(3x - 6) - 8(3x - 7)
= (15x - 30) - (24x - 56)
= 15x - 24x - 30 +56
= -9x + 26
2007-12-10 03:33:22 · answer #6 · answered by bc_barr 2 · 0⤊ 0⤋
The' distinction between 2 squares' because it relatively is noted as in arithmetic is an rather useful device. this is represented with the help of (x^2 -y^2) = (x+y)(x-y) the place x and y symbolize 2 distinctive values. So working backwards your brackets = 6^2 - sqrt7^2 = 36 - 7 = 29
2016-12-10 18:34:57 · answer #7 · answered by ? 4 · 0⤊ 0⤋
15x-30-24x+56
combine like terms
-9x+26
2007-12-10 03:32:03 · answer #8 · answered by Allen C 3 · 0⤊ 0⤋
The answer is 51x-57-10x
2007-12-10 03:32:14 · answer #9 · answered by Jose G 1 · 0⤊ 1⤋
(15x-30)-(24x-56)
2007-12-10 03:31:26 · answer #10 · answered by Amanda 1 · 0⤊ 1⤋