Question

1. (x-3)(x+5)=…
2.(x+5)(5x-1)=…
3.(7-2x)(2x-6)=…
4.(3x-2)(2x-4)=…
5.(7a+4b)(2a-3b)=…

mohon bantuannya ya..

Answer 1

X^2+2x-15
5x^2+24x-5
-4x^2+26x-42
6x^2-16x+8
14a^2-13ab-12b^2

maaf kalo salah yaa

Answer 2

1.x² +5x-3x - 15
= x² + 2x - 15
2.5x² - x +25x - 5
= 5x² +24x - 5
3.-4x² +24x +14x - 42
= - 4x² +38x - 42
4.6x²-12x - 4x +8
= 6x² - 16x + 8
5.14a² - 21ab +8ab - 12b²
14a² - 13ab - 12b²