plgaelle2003 plgaelle2003

02-09-2018
Mathematics

contestada

what is (2x-6)(5x+7)?

Respuesta :

04-01-2020

Hey there! :)

(2x - 6)(5x + 7)

Simplify by doing the "rainbow" method.

(2x · 5x) + (2x · 7) + (-6 · 5x) + (-6 · 7)

Simplify.10x² + 14x + (-30x) + (-42)

Get rid of parenthesis.10x² + 14x - 30x - 42Add like terms.10x² + (14x - 30x) - 42

Simplify.

10x² + (-16x) - 42

Get rid of parenthesis.

10x² - 16x - 42

~hope I helped~

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