Question

answer it part d,f,g,h​

Answer 1

Answer:

d) 4x2 +7x-10

these is very esay question try it self

Answer 2

Step-by-step explanation:

d)...$({5x}^{2} + 3x - 3) + ( {2x}^{2} - 4x + 7)$

so,like terms-

${5x}^{2} + {2x}^{2} + 3x - 4x - 3 + 7$

${7x}^{2} - 1x + 4 \\ (ans)$

f)....sorry I don't know this

g)....sorry this also

h).....

$(2a + 3b + 4 {x}^{2} y) + (3a - 2b + 4 {x}^{2} y)$

$2a + 3a + 3b - 2b + 4 {x}^{2} y + 4 {x}^{2} y$

$5a + b + 8 {x}^{2} y \\ (ans)$

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