factor: 1.) x^2+7x+10 2.) x^2+13x+30 3.) x^2+25x+100
Answers
Answered by
1
Step-by-step explanation:
1. x²+7x+10
=> x²+5x+2x+10
=> x(x+5)+2(x+5)
=> (x+2)(x+5)....ans...
2.x²+13x-30 (your second question is little bit wrong)
=>x²+15x-2x-30
=>x(x+15)-2(x+15)
=>(x-2)(x+15)....ans...
3. x²+25x+100
=>x²+20x+5x+100
=>x(x+20)+5(x+20)
=>(x+5)(x+20)....ans...
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Answered by
2
Answer:
x+2 × x+5
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