Question

please do step by step explanation of all 3 questions. not only answers show the process also then i will mark as brainliest. please

Answer 1

x²+5x-84

x²-(7-12)x-84

x²-7x+12x-84

x(x-7)+12(x-7)

(x-7)(x+12)

x²+4x-45

x²-(5-9)x-45

x²-5x+9x-45

x(x-5)+9(x-5)

(x-5)(x+9)

x²+4x-60

x²-(6-10)x-60

x²-6x+10x-60

x(x-6)+10(x-6)

(x-6)(x+10)

Answer 2

Answer:

Your answer is in attachment..

pls mark it as brainliest answer