Jawab:
4.
a. (4x+7)(6x-3) = [tex]24x^{2} +30x-21[/tex]
b. [tex](3x^{2} -8x+10)(2x-5)[/tex] = [tex]6x^{3} -15x^{2}-16x^{2}+40x+20x-50[/tex] = [tex]6x^{3} -31x^{2} +60x-50[/tex]
c. [tex](2x^{2} +4x-9)(5x^{2} -3x-8)[/tex] = [tex]10x^{4} -6x^{3} -16x^{2} +20x^{3} -12x^{2} -32x-45x^{2} +27x+72[/tex] = [tex]10x^{4} +14x^{3} -73x^{2} -5x+72[/tex]
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawab:
4.
a. (4x+7)(6x-3) = [tex]24x^{2} +30x-21[/tex]
b. [tex](3x^{2} -8x+10)(2x-5)[/tex] = [tex]6x^{3} -15x^{2}-16x^{2}+40x+20x-50[/tex] = [tex]6x^{3} -31x^{2} +60x-50[/tex]
c. [tex](2x^{2} +4x-9)(5x^{2} -3x-8)[/tex] = [tex]10x^{4} -6x^{3} -16x^{2} +20x^{3} -12x^{2} -32x-45x^{2} +27x+72[/tex] = [tex]10x^{4} +14x^{3} -73x^{2} -5x+72[/tex]