Question

СРОЧНО ПОМОГИТЕ 100 БАЛОВ ДАЮ

Answer 1

Объяснение:

1) x²-36=(x-6)×(x+6)

2) 1-9x²=(1-3x)×(1+3x)

3) 16-25x²=(4-5x)×(4+5x)

4) -x²+81=(9-x)×(9+x)

5)0,81-16x²=0,01×(9-40x)×(9+40x)

Answer 2

$\displaystyle\bf\\1)\\\\x^{2} -36=x^{2} -6^{2} =(x-6)(x+6)\\\\2)\\\\1-9x^{2} =1^{2} -(3x)^{2} =(1-3x)(1+3x)\\\\3)\\\\16-25x^{2} =4^{2} -(5x)^{2} =(4-5x)(4+5x)\\\\4)\\\\-x^{2} +81=81-x^{2} =9^{2} -x^{2} =(9-x)(9+x)\\\\5)\\\\0,81-16x^{2} =0,9^{2} -(4x)^{2} =(0,9-4x)(0,9+4x)$