a) (x + 7) (y-2) = xy − 2x + 7y - 14
b) (2a − 3) (5 — b) = 10a - 2ab - 15 + 36b
c) (p −5) (t+3) = pt + 3p - 5t - 15
d) (3s − 2) (5s + 1) = 15s² + 3s – 10s - 2 = 15s² - 7s − 2
e) (6 − 2x )(3x + 1) = 18x +6 - 6x² -2x = -6x² + 16x + 6
f) (a + b) (2b − a) = 2ab - a² +2b² - ab = -a² +2b² + ab
g) (5x − 3) (y-2) = 5xy — 10x − 3y +6
h) (3p² +t) (t² − 4p) = 3p²t² – 12p³ + t³ − 4pt
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a) (x + 7) (y-2) = xy − 2x + 7y - 14
b) (2a − 3) (5 — b) = 10a - 2ab - 15 + 36b
c) (p −5) (t+3) = pt + 3p - 5t - 15
d) (3s − 2) (5s + 1) = 15s² + 3s – 10s - 2 = 15s² - 7s − 2
e) (6 − 2x )(3x + 1) = 18x +6 - 6x² -2x = -6x² + 16x + 6
f) (a + b) (2b − a) = 2ab - a² +2b² - ab = -a² +2b² + ab
g) (5x − 3) (y-2) = 5xy — 10x − 3y +6
h) (3p² +t) (t² − 4p) = 3p²t² – 12p³ + t³ − 4pt