Multiply and simplify the following expression completely. (2x-3)(5x+3)?

2 ⤊

Multiply and simplify the following expression completely. (2x-3)(5x+3)?

2007-08-17 08:01:44 · 5 answers · asked by Ash 1 in Science & Mathematics ➔ Mathematics

5 answers

FOIL

(2x - 3)(5x + 3) =

First 2x x 5x = 10x²

Outer 2x x 3 = 6x

Inner - 3 x 5x = - 15x

Last - 3 x 3 = - 9

- - - - -

10x² + 6x - 15x - 9 =

Collect like terms

10x² - 9x - 9

- - - - - - -

2007-08-17 09:33:26 · answer #1 · answered by SAMUEL D 7 · 1⤊ 0⤋

(2x-3)(5x+3)
=10x^2-9x-9. ANS.

2007-08-17 08:18:44 · answer #2 · answered by Anonymous · 0⤊ 0⤋

(2x-3)(5x+3)
=10x^2-15x+6x-9
=10x^2-9x-9

2007-08-17 08:09:49 · answer #3 · answered by Grampedo 7 · 0⤊ 0⤋

10x^2 - 9x - 9

2007-08-17 08:06:31 · answer #4 · answered by John V 6 · 1⤊ 0⤋

(2x.5x)+(2x.3)-(3.5x)-(3.3)=
10xsquare + 6x - 15x - 9 =
10xsq -9x -9 =

2007-08-17 08:11:41 · answer #5 · answered by nnnn 3 · 0⤊ 0⤋